Patent US3542232A successfully refreshed from Google Patents.
US3542232A
Expired / Lapsed
US
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Venting closure for vacuum and pressure containers
Assignee: Continental Can Co Inc
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Filing: 1968-12-03
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Granted: 1970-11-24
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Expires: 1988-12-03
Abstract
No abstract record available.
Inventors
- 👤 James E Westfall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:43
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/24; B65D51/243; B65D43/00; B65D43/02; B65D43/0202; B65D43/0204; B65D43/0212; B65D51/16; B65D51/1672; B65D51/1677; B65D2205/00; B65D2205/02; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00277; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00527; B65D2543/00537; B65D2543/00592; B65D2543/00601; B65D2543/00611; B65D2543/00629; B65D2543/00675; B65D2543/00685; B65D2543/00712; B65D2543/00722; B65D2543/0075; B65D2543/00787; B65D2543/00796; B65D2543/00824; B65D2543/00861; B65D2543/00879; B65D2543/00888; B65D2543/00953; B65D2543/00962; B65D2543/00972
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |