US2762421A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for heat sealing the open end of flexible thermoplastic tubing
Assignee: Individual
•
Filing: 1954-04-13
•
Granted: 1956-09-11
•
Expires: 1974-04-13
Abstract
No abstract record available.
Inventors
- 👤 Quinche Albert
- 👤 Lecluyse Edouard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:33
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/10; B29C65/106; B29C57/00; B29C57/10; B29C66/00; B29C66/01; B29C66/03; B29C66/032; B29C66/0324; B29C66/03241; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/137; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/43123; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/8226; B29C66/83; B29C66/832; B29C66/8322; B29C66/71; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29L; B29L2023/00; B29L2023/20; B29L2031/00; B29L2031/712; B29L2031/7128; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2281187A
Cited
US2326931A
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US2606830A
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US2660219A
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US2720247A
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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) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |