US2858714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-speed drive for vehicle
Assignee: Rockwell Spring and Axle Co
•
Filing: 1954-11-30
•
Granted: 1958-11-04
•
Expires: 1974-11-30
Abstract
No abstract record available.
Inventors
- 👤 James E Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:53
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/64; F16H37/00; F16H37/02; F16H37/04; F16H37/042; F16H37/046; F16H48/00; F16H48/06; F16H48/08; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE17039E
Cited
GB190702337A
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US1165915A
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US1362361A
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US1550091A
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US2113860A
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US1958788A
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US1964956A
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US2075980A
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US2225720A
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US2398407A
Cited
US2637221A
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US2645135A
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US2730914A
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US2993544A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |