Patent US4241168A successfully refreshed from Google Patents.
Patent US2388644A successfully refreshed from Google Patents.
US2388644A
Expired / Lapsed
US
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Hydraulic pump, fluid motor, or compressor
Assignee: Individual
•
Filing: 1943-05-08
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Granted: 1945-11-06
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Expires: 1963-05-08
Abstract
No abstract record available.
Inventors
- 👤 Roessler George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:24
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0032; F01B3/0035; F01B3/0044; F01B3/0055; F01B3/0064; F01B3/0082; F01B3/0085; F01B3/10; F01B3/103; F01B3/106; F04; F04B; F04B49/00; F04B49/22; F04B49/24; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18336
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) | 1948-11-05 | 1949-05-07 | 1949-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-11-05 | 1953-05-07 | 1953-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-11-05 | 1957-05-07 | 1957-11-06 | $7700.00 | Window Closed / Lapsed |