US2924232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve with repair means
Assignee: Individual
•
Filing: 1954-04-09
•
Granted: 1960-02-09
•
Expires: 1974-04-09
Abstract
No abstract record available.
Inventors
- 👤 Eugene C Michaels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:07
CPC Classifications
F; F16; F16K; F16K41/00; F16K41/10; F16K41/12; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/60; Y10T137/6065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE74979C
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US774985A
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US1119948A
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US1352735A
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US1622151A
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US2223702A
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US2397373A
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US2646959A
Cited
US2642255A
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US2755059A
Cited
US2766829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |