US2912237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door operator
Assignee: Motors Liquidation Co
•
Filing: 1957-06-06
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Granted: 1959-11-10
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Expires: 1977-06-06
Abstract
No abstract record available.
Inventors
- 👤 Harold M Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:14
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/611; E05F15/63; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/23; E05Y2201/232; E05Y2201/234; E05Y2400/00; E05Y2400/10; E05Y2400/30; E05Y2400/3013; E05Y2400/32; E05Y2400/322; E05Y2400/324; E05Y2400/326; E05Y2400/35; E05Y2400/354; E05Y2900/00; E05Y2900/20; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US538015A
Cited
US1417173A
Cited
US1635758A
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US1839045A
Cited
US1931404A
Cited
US1842708A
Cited
US1967346A
Cited
US2214229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |