US2916198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbo-compressor apparatus
Assignee: Individual
•
Filing: 1956-06-18
•
Granted: 1959-12-08
•
Expires: 1976-06-18
Abstract
No abstract record available.
Inventors
- 👤 Zenas V Weisel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:12
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/141; F01D17/143; F02; F02C; F02C6/00; F02C6/04; F02C6/10; F02C6/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2618470A
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AT168357B
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AT182584B
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US2651910A
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US2739782A
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US2823851A
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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) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |