US2635906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball joint
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1949-07-21
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Granted: 1953-04-21
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Expires: 1969-07-21
Abstract
No abstract record available.
Inventors
- 👤 Matthew P Graham
- 👤 Marshall H Alldredge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:52
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0619; F16C11/0623; F16C11/0628; B; B62; B62D; B62D7/00; B62D7/16; F16C2326/00; F16C2326/20; F16C2326/24; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32729; Y10T403/32737
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR419185A
Cited
US1646288A
Cited
GB423716A
Cited
US2206972A
Cited
US2274420A
Cited
US2553743A
Cited
US2516688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |