US2564656A
Expired / Lapsed
US
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Method of forming inflatable bodies from thermoplastic sheeting
Assignee: Individual
•
Filing: 1946-08-17
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Granted: 1951-08-21
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Expires: 1966-08-17
Abstract
No abstract record available.
Inventors
- 👤 Chedister Conkling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:36
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/0042; B29C49/02; B29C49/06905; B29C49/0691; B29C65/00; B29C65/02; B29C65/04; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/133; B29C66/40; B29C66/41; B29C66/43; F; F24; F24S; F24S10/00; F24S10/50; F24S10/501; B29C66/47; B29C66/474; B29C66/4742; B29C66/47421; B29C66/70; B29C66/71; B29L; B29L2022/00; B29L2022/02; B29L2022/022; B29L2031/00; B29L2031/54; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |