US2960885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driver's cane for supplemental accelerator operation
Assignee: Individual
•
Filing: 1957-12-10
•
Granted: 1960-11-22
•
Expires: 1977-12-10
Abstract
No abstract record available.
Inventors
- 👤 Donaldson John Shearman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:01
CPC Classifications
B; B60; B60K; B60K26/00; B60K26/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18232; Y10T74/20; Y10T74/20207; Y10T74/20213; Y10T74/2022; Y10T74/20226; Y10T74/20528; Y10T74/20534; Y10T74/20576; Y10T74/20636; Y10T74/20666
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1455617A
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US1681380A
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US1707113A
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US1721227A
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US2138911A
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US2671355A
Cited
US2666510A
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US2694318A
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US2755684A
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US2866356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |