Patent US2907340A successfully refreshed from Google Patents.
US2907340A
Expired / Lapsed
US
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Valve mechanism for diverse fluids
Assignee: Individual
•
Filing: 1954-08-06
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Granted: 1959-10-06
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Expires: 1974-08-06
Abstract
No abstract record available.
Inventors
- 👤 Robert W Kenney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:09
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/022; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304; Y10T137/3052; Y10T137/3056; Y10T137/7722; Y10T137/7781; Y10T137/7835; Y10T137/7836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US602657A
Cited
US2610645A
Cited
CH25910A
Cited
US766420A
Cited
US779316A
Cited
US2638109A
Cited
US2678065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |