US1961592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable capacity pump or motor
Assignee: Individual
•
Filing: 1929-01-18
•
Granted: 1934-06-05
•
Expires: 1949-01-18
Abstract
No abstract record available.
Inventors
- 👤 Muller Wolfgang Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:45
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/02; F01; F01C; F01C1/00; F01C1/30; F01C1/32; F01C1/332; F01C1/336; F01C1/38; F04; F04C; F04C14/00; F04C14/18; F04C14/22; F04C2/00; F04C2/30; F04C2/32; F16H39/04; F16H39/06; F16H39/22
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) | 1937-06-04 | 1937-12-04 | 1938-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-06-04 | 1941-12-04 | 1942-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-06-04 | 1945-12-04 | 1946-06-05 | $7700.00 | Window Closed / Lapsed |