US2779087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for installing tension springs on automobile hood hinges
Assignee: Individual
•
Filing: 1953-10-01
•
Granted: 1957-01-29
•
Expires: 1973-10-01
Abstract
No abstract record available.
Inventors
- 👤 Alva V Shahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:11
CPC Classifications
E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05F1/1246; E05F1/1269; E05F1/1276; E05Y; E05Y2900/00; E05Y2900/50; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53848
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US821149A
Cited
US1050746A
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US1677934A
Cited
US1707870A
Cited
US2188838A
Cited
US2465030A
Cited
US2494252A
Cited
US2589042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |