Patent US3027907A successfully refreshed from Google Patents.
US3027907A
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Combination valve
Assignee: Individual
•
Filing: 1959-03-26
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Granted: 1962-04-03
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Expires: 1979-03-26
Abstract
No abstract record available.
Inventors
- 👤 Luther E Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:46
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/18; F16K15/184; F16K15/14; F16K15/1402; F16K17/00; F16K17/02; F16K17/04; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2557; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7843; Y10T137/7866; Y10T137/7867; Y10T137/7868
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US259682A
Cited
US1506012A
Cited
US1965070A
Cited
US2328902A
Cited
US2567391A
Cited
US2764174A
Cited
FR1142320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |