US2754655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thrust cylinder with integrated turbine
Assignee: MW Kellogg Co
•
Filing: 1950-07-13
•
Granted: 1956-07-17
•
Expires: 1970-07-13
Abstract
No abstract record available.
Inventors
- 👤 Hans T Holzwarth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:31
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/52; F02K9/46; F02K9/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2434298A
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US2397659A
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US2351750A
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US2479888A
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US2408111A
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US2531761A
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US2566373A
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US2551115A
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US2617361A
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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) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |