US1931969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic gear
Assignee: Individual
•
Filing: 1931-06-30
•
Granted: 1933-10-24
•
Expires: 1951-06-30
Abstract
No abstract record available.
Inventors
- 👤 Hans Thoma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:25
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0082; F01B3/0085; F01B3/0032; F01B3/0044; F01B3/0047; F01B3/0052; F01B3/0055; F01B3/0076; F01B3/10; F01B3/103; F01B3/109; F04; F04B; F04B1/00; F04B1/12; F04B1/20; F04B1/2014; F04B1/2042; F16; F16H; F16H39/00
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) | 1936-10-23 | 1937-04-24 | 1937-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-10-23 | 1941-04-24 | 1941-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-10-23 | 1945-04-24 | 1945-10-24 | $7700.00 | Window Closed / Lapsed |