US2379938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid power transmission mechanism
Assignee: Individual
•
Filing: 1941-12-19
•
Granted: 1945-07-10
•
Expires: 1961-12-19
Abstract
No abstract record available.
Inventors
- 👤 Swanson Bernard August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:28
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/4061; F16H39/00; F16H39/02; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86839; Y10T137/86863; Y10T137/86871
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) | 1948-07-09 | 1949-01-08 | 1949-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-07-09 | 1953-01-08 | 1953-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-07-09 | 1957-01-08 | 1957-07-10 | $7700.00 | Window Closed / Lapsed |