Patent US2438313A successfully refreshed from Google Patents.
Patent US3405573A successfully refreshed from Google Patents.
US3405573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed mechanical hydraulic transmission mechanism especially suitable for heavy vehicles
Assignee: Individual
•
Filing: 1966-04-01
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Granted: 1968-10-15
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Expires: 1986-04-01
Abstract
No abstract record available.
Inventors
- 👤 Takekawa Toshio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:17
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/02; F16H47/04; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H2037/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |