US1943929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary hydraulic power transmission
Assignee: China Automobile Industry Engineering Co Ltd
•
Filing: 1929-07-23
•
Granted: 1934-01-16
•
Expires: 1949-07-23
Abstract
No abstract record available.
Inventors
- 👤 Alden G Rayburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:56
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H39/26; F16H39/30; F16H39/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1937-01-15 | 1937-07-17 | 1938-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-15 | 1941-07-17 | 1942-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-15 | 1945-07-17 | 1946-01-16 | $7700.00 | Window Closed / Lapsed |