Patent US3676159A successfully refreshed from Google Patents.
US3676159A
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Thermoformed reusable package having a reclosable lid
Assignee: WR Grace and Co
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Filing: 1970-04-27
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Granted: 1972-07-11
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Expires: 1990-04-27
Abstract
Abstract THIS INVENTION COMPRISES A THERMOFORMED REUSABLE PACKAGE HAVING A RECLOSABLE LID. THE PACKAGE IS FORMED TO ACCEPT A SET OF SHAPED FOOD ITEMS. THE LID IS ALSO SHAPED TO THE SHAPE OF THE FOOD ITEMS EXCEPT FOR AN OPAQUE AREA OF THE LID WHICH CARRIES DESCRIPTIVE INFORMATION.
Inventors
- 👤 Derek Fallowfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:46
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/34; B65D1/36; B65D43/00; B65D43/02; B65D43/0202; B65D43/0204; B65D43/021; B65D43/0214; B65D43/0216; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/0012; B65D2543/00175; B65D2543/00194; B65D2543/00259; B65D2543/00296; B65D2543/00342; B65D2543/00398; B65D2543/00444; B65D2543/00453; B65D2543/00472; B65D2543/00481; B65D2543/0049; B65D2543/00509; B65D2543/00537; B65D2543/00546; B65D2543/00592; B65D2543/00601; B65D2543/00611; B65D2543/0062; B65D2543/00675; B65D2543/00685; B65D2543/00712; B65D2543/00722; B65D2543/00731; B65D2543/00787; B65D2543/00796; B65D2543/00824; B65D2543/00833; B65D2543/00842; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/80; Y10; Y10S; Y10S206/00; Y10S206/822
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |