Patent US2988185A successfully refreshed from Google Patents.
US2988185A
Expired / Lapsed
US
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Power drive mechanism
Assignee: Wheel Horse Products Inc
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Filing: 1958-09-08
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Granted: 1961-06-13
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Expires: 1978-09-08
Abstract
No abstract record available.
Inventors
- 👤 Cecil E Pond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:34
CPC Classifications
F; F16; F16H; F16H59/00; F16H59/02; F16H59/08; F16H59/10; B; B60; B60K; B60K17/00; B60K17/04; B60K17/06; B60K17/08; B60K17/28; F16H2200/00; F16H2200/003; F16H2200/0034; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19233; Y10T74/19242; Y10T74/19377; Y10T74/19386; Y10T74/194; Y10T74/20; Y10T74/20012; Y10T74/20189; Y10T74/20528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1250363A
Cited
US2081256A
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US2050776A
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US2466814A
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US2512036A
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US2608102A
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US2696741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |