US2257792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic transmission
Assignee: Individual
•
Filing: 1939-09-25
•
Granted: 1941-10-07
•
Expires: 1959-09-25
Abstract
No abstract record available.
Inventors
- 👤 Daniel W Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:03
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H39/08; F16H39/16; F16H39/20
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) | 1944-10-06 | 1945-04-07 | 1945-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-10-06 | 1949-04-07 | 1949-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-10-06 | 1953-04-07 | 1953-10-07 | $7700.00 | Window Closed / Lapsed |