US3543508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic transmission with pressure control
Assignee: Hyster Co
•
Filing: 1968-10-16
•
Granted: 1970-12-01
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Expires: 1988-10-16
Abstract
No abstract record available.
Inventors
- 👤 Delmar G Schwab
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:25
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/46; F16H61/465; F16H61/4061; F16H61/42; F16H61/433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2238061A
Cited
US2942421A
Cited
US2892311A
Cited
US2892312A
Cited
US3054263A
Cited
US3186170A
Cited
US3247669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |