Patent US2811049A successfully refreshed from Google Patents.
US2811049A
Expired / Lapsed
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Overdrive attachment for vehicle power transmissions
Assignee: Individual
•
Filing: 1955-06-13
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Granted: 1957-10-29
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Expires: 1975-06-13
Abstract
No abstract record available.
Inventors
- 👤 Lloyd N Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:08
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/06; B60K17/08; Y; Y10; Y10S; Y10S192/00; Y10S192/01; Y10T; Y10T403/00; Y10T403/70; Y10T403/7026; Y10T403/7047; Y10T74/00; Y10T74/19; Y10T74/19167; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19442; Y10T74/19451; Y10T74/19456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1099520A
Cited
US1849101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |