US3420727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting-welding device for thermoplastic synthetic foils
Assignee: Individual
•
Filing: 1966-05-12
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Granted: 1969-01-07
•
Expires: 1986-05-12
Abstract
No abstract record available.
Inventors
- 👤 Hans Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:54
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/81; B29C66/816; B29C66/8167; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/74; B29C65/743; B29C65/7439; B29C65/78; B29C65/7858; B29C65/7861; B29C65/787; B29C65/7873; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/137; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/83; B29C66/836; B29C66/818; B29C66/8181; B29C66/81815; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2680470A
Cited
US3142608A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |