US2672282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary vacuum and compression pump
Assignee: Individual
•
Filing: 1951-07-27
•
Granted: 1954-03-16
•
Expires: 1971-07-27
Abstract
No abstract record available.
Inventors
- 👤 Novas Camilo Vazquez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:33
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/08; F01C21/0809; F01C21/0818; F01C21/0827; F01C21/0836; F04; F04C; F04C29/00; F04C29/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US105318A
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US465907A
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US1009213A
Cited
US1199229A
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US1444269A
Cited
US1488729A
Cited
FR640280A
Cited
US2487449A
Cited
US2443994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |