US2687787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resiliently mounted shaft and brake hanger
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1951-06-19
•
Granted: 1954-08-31
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Expires: 1971-06-19
Abstract
No abstract record available.
Inventors
- 👤 Albert W Gair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:03
CPC Classifications
B; B61; B61H; B61H13/00; B61H13/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1282401A
Cited
US1400340A
Cited
US1537579A
Cited
US1691970A
Cited
US2450279A
Cited
US2606036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |