Patent US2702509A successfully refreshed from Google Patents.
US2702509A
Expired / Lapsed
US
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Rotary pump
Assignee: Air Equipement SA
•
Filing: 1952-01-24
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Granted: 1955-02-22
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Expires: 1972-01-24
Abstract
No abstract record available.
Inventors
- 👤 Garnier Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:56
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F01; F01C; F01C1/00; F01C1/08; F01C1/12; F01C1/14; F01C1/18; F03; F03C; F03C2/00; F03C2/08; F04C15/00; F04C2/18
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) | 1958-02-21 | 1958-08-23 | 1959-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-21 | 1962-08-23 | 1963-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-21 | 1966-08-23 | 1967-02-22 | $7700.00 | Window Closed / Lapsed |