Patent US2265839A successfully refreshed from Google Patents.
US2265839A
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Joint stud and method of making same
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1939-05-18
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Granted: 1941-12-09
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Expires: 1959-05-18
Abstract
No abstract record available.
Inventors
- 👤 George H Hufferd
- 👤 Matthew P Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:12
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0685; B; B21; B21K; B21K1/00; B21K1/44; B23; B23P; B23P15/00; B23P15/003; B62; B62D; B62D7/00; B62D7/16; F16C11/0604; F16C11/0609; B23P2700/00; B23P2700/11; F16C2326/00; F16C2326/20; F16C2326/24; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49648; Y10T29/49664; Y10T29/49666; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631
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) | 1944-12-08 | 1945-06-09 | 1945-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-08 | 1949-06-09 | 1949-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-08 | 1953-06-09 | 1953-12-09 | $7700.00 | Window Closed / Lapsed |