US2633292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary compressor for gas or liquids with rotor eccentrically mounted in cylindrical housing
Assignee: Individual
•
Filing: 1949-02-18
•
Granted: 1953-03-31
•
Expires: 1969-02-18
Abstract
No abstract record available.
Inventors
- 👤 Voznica Karel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:18
CPC Classifications
F; F04; F04C; F04C29/00; F04C29/12; F01; F01C; F01C21/00; F01C21/08; F01C21/0809; F01C21/0818; F01C21/0854; F01C21/0872; F01C21/0881
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US741617A
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US968859A
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US1280306A
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US1358176A
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FR543037A
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US1619429A
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US1865666A
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US1977780A
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US2004958A
Cited
FR778346A
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US2068803A
Cited
US2233082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |