US2869398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic and planetary gear transmission
Assignee: Individual
•
Filing: 1958-01-30
•
Granted: 1959-01-20
•
Expires: 1978-01-30
Abstract
No abstract record available.
Inventors
- 👤 Ford Perl Edward De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:24
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H45/00; F16H45/02; F16H2045/0221; F16H2045/0268
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2157230A
Cited
US2277214A
Cited
US2334394A
Cited
US2515831A
Cited
US2523907A
Cited
US2781675A
Cited
US2783660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |