US2821932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pumps or engines of the piston type
Assignee: Societe dInventions Aeronautiques et Mechaniques SIAM SA
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Filing: 1955-04-26
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Granted: 1958-02-04
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Expires: 1975-04-26
Abstract
No abstract record available.
Inventors
- 👤 Lucien Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:57
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0002; F01B3/0017; F01B3/0023; F01B3/0026; F04; F04B; F04B1/00; F04B1/12; F04B1/14; F04B1/141; F04B1/146; F16; F16H; F16H23/00; F16H23/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |