US3485315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic transmission and controls therefor
Assignee: Individual
•
Filing: 1967-08-30
•
Granted: 1969-12-23
•
Expires: 1987-08-30
Abstract
No abstract record available.
Inventors
- 👤 Harley E Bergren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:47
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87096; Y10T137/87113; Y10T137/87169; Y10T137/87233; Y10T137/87241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1365541A
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US2060220A
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US2403924A
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US2337659A
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US2438686A
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US2681117A
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US2789648A
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GB920473A
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US3192859A
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US3250340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |