US2578196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw compressor
Assignee: Imo Industri AB
•
Filing: 1946-11-30
•
Granted: 1951-12-11
•
Expires: 1966-11-30
Abstract
No abstract record available.
Inventors
- 👤 Montelius Carl Oscar Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:54
CPC Classifications
F; F04; F04C; F04C18/00; F04C18/08; F04C18/082; F04C18/088; F04C18/12; F04C18/14; F04C18/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1409868A
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US1994397A
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US2130054A
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US2236980A
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US2321696A
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US2287716A
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US2460310A
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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) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |