Patent US2015423A successfully refreshed from Google Patents.
US2015423A
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Hydraulic pump or motor
Assignee: Jones and Lamson Machine Co
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Filing: 1931-12-14
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Granted: 1935-09-24
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Expires: 1951-12-14
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Flanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:04
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0032; F01B3/0044; F01B3/0055; F01B3/0058; F01B3/0052; F01B3/007; F01B3/0076; F01B3/0082; F01B3/0085; F01B3/10; F01B3/103; F01B3/106; Y; Y10; Y10T; Y10T74/00; Y10T74/16; Y10T74/1625; Y10T74/1683; Y10T74/1692
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) | 1938-09-23 | 1939-03-25 | 1939-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-23 | 1943-03-25 | 1943-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-23 | 1947-03-25 | 1947-09-24 | $7700.00 | Window Closed / Lapsed |