US2989951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary fluid pressure device
Assignee: GERMANE CORP
•
Filing: 1959-04-29
•
Granted: 1961-06-27
•
Expires: 1979-04-29
Abstract
No abstract record available.
Inventors
- 👤 Lynn L Charlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:47
CPC Classifications
F; F01; F01C; F01C17/00; F01C17/06; F01C1/00; F01C1/08; F01C1/10; F01C1/104; F01C17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US211582A
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GB190607410A
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US1682563A
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US1892217A
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US1968113A
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US2132812A
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US2223070A
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US2527670A
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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) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |