US2631690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-way rotary motion shock resisting device
Assignee: General Electric Co
•
Filing: 1949-08-25
•
Granted: 1953-03-17
•
Expires: 1969-08-25
Abstract
No abstract record available.
Inventors
- 👤 Robert W Dunham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:04
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1054; Y; Y10; Y10S; Y10S273/00; Y10S273/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US431035A
Cited
US470161A
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US815074A
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US1114691A
Cited
US2406325A
Cited
US2416163A
Cited
US2460116A
Cited
US2507182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |