US2970804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Taps, cocks and the like
Assignee: CHARLES ELLIOTT TAPSCOTT CRIDL
•
Filing: 1957-07-31
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Granted: 1961-02-07
•
Expires: 1977-07-31
Abstract
No abstract record available.
Inventors
- 👤 Busby Leslie Roy
- 👤 King Desmond George Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:59
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US329809A
Cited
US2374195A
Cited
GB180903A
Cited
GB198962A
Cited
US2091618A
Cited
US2359369A
Cited
US2659566A
Cited
US2832562A
Cited
GB750181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |