US2791131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle drive mechanism
Assignee: Rockwell Spring and Axle Co
•
Filing: 1953-12-31
•
Granted: 1957-05-07
•
Expires: 1973-12-31
Abstract
No abstract record available.
Inventors
- 👤 Lawrence G Boughner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:22
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/64; F16H48/00; F16H48/06; F16H48/08; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US400293A
Cited
US901456A
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US1225144A
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US1424790A
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US1877736A
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US2657585A
Cited
US2402343A
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US2655042A
Cited
US2657588A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |