US2652264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steering knuckle
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1951-04-03
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Granted: 1953-09-15
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Expires: 1971-04-03
Abstract
No abstract record available.
Inventors
- 👤 James H Booth
- 👤 Eldon C Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:20
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2155521A
Cited
US2532034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |