US2911189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid machine
Assignee: Individual
•
Filing: 1953-07-20
•
Granted: 1959-11-03
•
Expires: 1973-07-20
Abstract
No abstract record available.
Inventors
- 👤 Ohain Hans J Pabst Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:38
CPC Classifications
F; F03; F03B; F03B3/00; F01; F01D; F01D1/00; F01D1/02; F01D1/026; F01D1/32; F01D25/00; F01D25/08; F01D25/14; F01D5/00; F01D5/12; F01D5/28; F01D5/288; F04; F04D; F04D5/00; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10S; Y10S415/00; Y10S415/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US715152A
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US768884A
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US988990A
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US1024363A
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US1418040A
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US1640591A
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US1652659A
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GB373232A
Cited
US2073014A
Cited
US2113116A
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US2458128A
Cited
US2640678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |