Patent US2767769A successfully refreshed from Google Patents.
US2767769A
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Heat-sealing thermoplastics
Assignee: Goodrich Corp
•
Filing: 1953-10-20
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Granted: 1956-10-23
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Expires: 1973-10-20
Abstract
No abstract record available.
Inventors
- 👤 Victor H Hasselquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:54
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C37/00; B29C37/02; B29C37/04; B29C59/00; B29C59/007; B29C65/24; B29C65/26; B29C65/74; B29C65/743; B29C65/7441; B29C65/749; B29C65/78; B29C65/7858; B29C65/7861; B29C65/787; B29C65/7873; B29C66/00; B29C66/004; B29C66/0042; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/32; B29C66/326; B29C66/40; B29C66/41; B29C66/43; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81425; B29C66/81427; B29C66/81431; B29C66/8145; B29C66/81457; B29C66/818; B29C66/8181; B29C66/81811; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29C37/0053; B29C37/0057; B29C65/30; B29C65/305; B29C66/70; B29C66/71; B29C66/81415; B29C66/81419; B29C66/81421; B29C66/81423; B29L; B29L2022/00; B29L2022/02; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1737
Claims Analysis
Total Claims: 0
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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) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |