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US2660366A
Expired / Lapsed
US
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Compressor surge inhibitor
Assignee: Individual
•
Filing: 1950-05-03
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Granted: 1953-11-24
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Expires: 1970-05-03
Abstract
No abstract record available.
Inventors
- 👤 Klein Harold
- 👤 Eugene B Laskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:13
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/02; F04D27/0207; F04D27/0215; Y; Y10; Y10S; Y10S415/00; Y10S415/914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1111498A
Cited
US1281216A
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US2342219A
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US2327841A
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US2418801A
Cited
US2357527A
Cited
GB580322A
Cited
US2470565A
Cited
FR999797A
Cited
FR56393E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |