US2991972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cocks, taps, valves and the like
Assignee: CHARLES ELLIOTT TAPSCOTT CRIDL
•
Filing: 1958-01-02
•
Granted: 1961-07-11
•
Expires: 1978-01-02
Abstract
No abstract record available.
Inventors
- 👤 Busby Leslie Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:14
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1087001A
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FR1035035A
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DE1016084B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |