US3043366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve assembly selectively operable including power drive and remote control
Assignee: Individual
•
Filing: 1958-06-16
•
Granted: 1962-07-10
•
Expires: 1978-06-16
Abstract
No abstract record available.
Inventors
- 👤 Harry T Wentworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:07
CPC Classifications
F; F23; F23K; F23K5/00; F23K5/02; F23K5/14; F23K5/18; F23K5/147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1656486A
Cited
US2321000A
Cited
US2336653A
Cited
GB587923A
Cited
US2596944A
Cited
US2689000A
Cited
US2748844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |