US1886393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumping unit for hydraulic power transmission systems
Assignee: Gisholt Machine Co
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Filing: 1930-08-01
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Granted: 1932-11-08
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Expires: 1950-08-01
Abstract
No abstract record available.
Inventors
- 👤 Louis E Godfriaux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:12
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/10; F04B1/107; F04B1/1071; F04B1/1074; F04B1/1077; F04B1/0404; F04B23/00; F04B23/04; F04B23/08; F04B23/10; F04B23/103
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) | 1935-11-08 | 1936-05-09 | 1936-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-08 | 1940-05-09 | 1940-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-08 | 1944-05-09 | 1944-11-08 | $7700.00 | Window Closed / Lapsed |