US3539040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic transmission,brake and belt tightener with interrelated controls
Assignee: American Yard Products Inc
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Filing: 1969-04-07
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Granted: 1970-11-10
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Expires: 1989-04-07
Abstract
No abstract record available.
Inventors
- 👤 Frederick Speer Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:07
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/06; B62D49/0692; B60; B60W; B60W10/00; B60W10/02; B60W10/10; B60W10/101; B60W10/103; B60W10/18; B60W30/00; B60W30/18; B60W2710/00; B60W2710/18; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20055
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |