Patent US2663541A successfully refreshed from Google Patents.
US2663541A
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US
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Hydraulic motor
Assignee: Industrial Devices Inc
•
Filing: 1950-09-11
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Granted: 1953-12-22
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Expires: 1970-09-11
Abstract
No abstract record available.
Inventors
- 👤 Cory P Geen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:32
CPC Classifications
F; F03; F03B; F03B1/00; F05; F05B; F05B2240/00; F05B2240/20; F05B2240/24; F05B2240/241; F05B2240/2411; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |