Dating corelle

How to Identify Corning Ware

How to Identify Corning Ware

While colors and styles of decoration reflected consumer tastes at the time of production, the first thing to look at is the backstamp. Backstamps On the bottom of most every genuine Pyrex opalware article is an embossed set of markings which contains a variety of information. While technically a trademark, it is most often seen referred to as a backstamp. Being embossed rather than incised, and the material being glass, it is obviously molded in rather than stamped.

The early clear glass Pyrex ware backstamp was a simple circle with PYREX in an all-caps serif font dating corelle Corning Glassworks' CG monogram above and below. Subsequently added were T. A revised backstamp, with PATENTED above PYREX and MAY dating corelle, 1919 below, was used after that date through 1924. The CG monogram is often mistaken for and referred to by collectors as a dollar sign, albeit a backwards one.

Production of opal ware commenced in 1936 after the merger with MacBeth-Evans Glass Co. The plant there would be used to produce a more durable messware for the military. But the product would not be branded Pyrex until the debut of kitchenware made from it nearly a decade later.

The backstamp seen on various items prior to that echoes a MacBeth-Evans trademark, but one not previously used on their glassware: that of a glassblower, or "gaffer", nicknamed "Little Joe". The configuration of the backstamp would undergo a few revisions after the introduction of opal glass kitchenware in 1945. The following are general representations of the various backstamps, which may not look exactly the same on all shapes.

The backstamp on the earliest color ware round bowls included the word PYREX dating corelle the abbreviation T. On some pieces, this was also enclosed in a ring. No model number or other information was included on the earliest pieces.

Later, most likely ca. A model number and, later, the capacity in pints or quarts were added above, and OVEN WARE below. Sometime in the late 1960s, the circular configuration of backstamps on refrigerator dishes gave way to a more straight text format consisting of PYREX ® in larger letters with model dating corelle capacity information in smaller characters above, and MADE IN U.

Starting in the mid-1970s, equivalent metric capacities were also embossed on pieces, therefore any seen so-marked can be dated positively later than that. Later pieces are also recognizable by, instead of "MADE IN U. On many pieces, various numbers and sometimes letters are seen in and around the backstamp. These appear dating corelle be related to either molds or production runs. They are not indicative of dating. Patterns The first pieces to have a decorative graphical pattern applied appear to have debuted in 1956.

New patterns were introduced in keeping with changing tastes, so they can also give clues as to time period. Since pattern collections and promotional pieces were available for relatively finite periods, knowing their years of introduction and discontinuance can also help narrow down dating somewhat. A listing of patterns by year of introduction can be found. Promotional patterns may have been available for as little as a holiday season or a year, standard patterns dating corelle two years to as long as a decade in a few instances.

Other Considerations The earliest colored nesting mixing bowls have a deep base ring, the bases on later ones being almost flat by comparison. The older mixing bowls also have a thicker, more pronounced rim, but with no appreciable difference in dating dating corelle from later examples.

Shades of color can also be a clue to age. The earliest 402 bowl was definitely more of an orange-red hue, dating corelle in advertising as "Chinese Red". The red 402 bowl supplied with the 1970s Friendship pattern collection differs from the red 402 included in the 400 multi-color mixing bowl set, although it is similar to the shade of the earliest red 402s of that set.

Side by side comparisons, however, are often necessary to distinguish among them. From the time of introduction, the 400 nesting mixing bowl set was offered only as a set dating corelle in the original colors.

It was not until a few years later that the largest bowl was offered in open stock and also in red. Any 4-quart 404 bowl in a color of other than yellow must therefore be dated no earlier than 1949.

The design of 500 series refrigerator storage dishes' lids can help determine their age. From 1947 until approximately 1959, the lids' tops had longitudinal ridges flanking a smooth middle, and had smooth undersides.

After 1959, the top surfaces were smooth and the undersides were fluted lengthwise. Bear in mind, of course, that either style lid will fit any dish of corresponding size, so one can never assume a lid was originally sold with its dish unless it is found as new old stock. Clear glass 500 series refrigerator storage dishes were made both in the late 1940s and in the early 1980s.

The different backstamp styles, consistent with the era of manufacture, serve to identify from which timeframe an individual example was made. Lids original to each would also be period correct.

Since the Cinderella design pieces were first introduced in 1958, they must all date from then or after. The 063 oval divided dishes made before the mid-1970s were not marked with a model number. All Pyrex color ware was discontinued after about 1986.

Does Corelle have lead in it?

So the bottom line is, if you own any Corelle from prior to about 2005, quit using it. It was made with lead in the glaze and pretty little decorations, and you sure don’t want to risk elevated lead levels in your blood system. Time to invest in some new dinnerware.

Your vintage CorningWare could be worth some serious money

Why choose Corelle dinnerware?

Corelle dinnerware comes in styles for every taste, mood and season, and you can mix and match them to make them your own. Corelle® dinnerware is stylish enough to own a room, but stacks up in less space than ceramic plates and bowls. It’s non-porous and ultra-hygienic--a healthy choice to keep your food pure and clean.

Where can I find a list of all Corelle Frequently Asked Questions?

The department or contact point varies depending on the type of Corelle item in question; a list is available in the Frequently Asked Questions section of World Kitchen, which handles Corelle inquiries and sales. Kathy Adams is an award-winning journalist and freelance writer who traveled the world handling numerous duties for music artists.

How to identify Corelle patterns?

How to Identify Corelle Patterns 1 Online Image Galleries. Image galleries provide a quick way to narrow down Corelle patterns, as youll spot familiar pieces as soon as you see them. 2 Auction Sites. ... 3 Replacement-Piece Retailers. ... 4 Customer Service Assistance. ...

Date with D

Are Corelle dishes lead-free?

Yes, the plain white Corelle dishes without the colored or decorative elements are Lead-free and will not leach Lead into your superfood. The pure white Corelle dishes do not contain harmful chemicals and they are the best choice for mealtime with a loved one.

Which Corelle set should I buy?

We recommend you stick to the pure white corelle sets as they are Lead-free. However, in case you are in doubt, kindly test all corelle dishes with a home lead test kit to ascertain the level of lead both in the white frost and colored corelle dishes before use.

Does Corelle livingware have lead?

This Particular Corelle Livingware Winter frost is made from Vitrelle glass and Vitrelle glass is designed to be resistant to chips and breaks. The Bowls are microwave, dishwasher safe and they are Lead free! I hope this answers your question; “does Corelle have lead” Though the bowls are thin but durable. Easy to store, very sturdy.

How has Corelle Brands responded to the lead poisoning problem?

While other manufacturers have recalled lead-based products, Corelle Brands has sought to address the issue by being transparent about their practices, reducing the amount of lead in their products, and replacing certain lines of old dishes with new lines that have lower amounts of lead.

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