US2278756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming tube or gasket angles
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1940-05-27
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Granted: 1942-04-07
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Expires: 1960-05-27
Abstract
No abstract record available.
Inventors
- 👤 William A Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:27
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/50; B29C66/51; B29C66/52; B29C66/524; B29C66/5243; B29C66/52431; B29C65/00; B29C65/02; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/116; B29C66/1162; B29C66/63; B29C66/70; B29C66/71; B29C66/72; B29C66/725; B29C66/7252; B29C66/72523; B29D; B29D99/00; B29D99/0053; B29C33/00; B29C33/44; B29C33/52; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29K; B29K2021/00; B29L; B29L2023/00; B29L2031/00; B29L2031/26; B29L2031/60; B29L2031/601; Y; Y10; Y10S; Y10S277/00; Y10S277/921; Y10S29/00; Y10S29/034; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1066; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-04-06 | 1945-10-06 | 1946-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-04-06 | 1949-10-06 | 1950-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-04-06 | 1953-10-06 | 1954-04-07 | $7700.00 | Window Closed / Lapsed |