US3701699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of heat sealing a peelable cover onto a container
Assignee: Phillips Petroleum Co
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Filing: 1969-08-11
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Granted: 1972-10-31
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Expires: 1989-08-11
Abstract
Abstract A COVER ADAPTED TO BE REMOVED BY PEELING IS SEALED TO A CONTAINER BY DEPRESSING A COVER OF HEAT SEALABLE MATERIAL AND A SUBSTANTIALLY FLAT, PERIPHERAL CONTAINER EDGE OF HEAT SEALABLE MATERIAL TOGETHER WITH A FORCE THAT IS SUBSTANTIALLY PERPENDICULAR TO THE AREA BEING DEPRESSED
Inventors
- 👤 James C Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:08
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/10; B65D77/20; B65D77/2024; B65D77/2028; B65D77/2032; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/76; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/20; B29C66/24; B29C66/242; B29C66/2424; B29C66/24243; B29C66/24244; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5346; B29C66/53461; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81421; B29C66/81422; B29C66/8145; B29C66/81457; B29C66/83; B29C66/832; B29C66/8322; B29C66/84; B29C66/849; B29C66/70; B29C66/71; B29C66/72; B29C66/723; B29C66/7232; B29C66/72321; B29C66/72327; B29C66/72328
Claims Analysis
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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) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |