US2929548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbocompressor
Assignee: Cooper Bessemer Corp
•
Filing: 1956-06-29
•
Granted: 1960-03-22
•
Expires: 1976-06-29
Abstract
No abstract record available.
Inventors
- 👤 William R Crooks
- 👤 Fullemann John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:36
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/18; F01D25/22; C; C01; C01C; C01C1/00; C01C1/02; C01C1/04; C01C1/0405; C01C1/0417; C01C1/0447; F01D15/00; F01D15/08; F25; F25J; F25J1/00; F25J1/0002; F25J1/0012; F25J1/0017; F25J1/003; F25J1/0032; F25J1/0035; F25J1/004; F25J1/02; F25J1/0201; F25J1/0202; F25J1/0243; F25J1/0257; F25J1/0275; F25J1/0276; F25J1/0279; F25J1/0285; F25J1/0288; F25J2230/00; F25J2230/20; F25J2230/30; F25J2230/50; F25J2270/00; F25J2270/04; F25J2270/06; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1951819A
Cited
US1957849A
Cited
US2516066A
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CA454557A
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US2635804A
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US2522787A
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US2750734A
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US2748564A
Cited
US2760356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |