US2762389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valves for controlling the flow of liquids
Assignee: Avery Hardoll Ltd
•
Filing: 1953-08-07
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Granted: 1956-09-11
•
Expires: 1973-08-07
Abstract
No abstract record available.
Inventors
- 👤 Fraser John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:18
CPC Classifications
F; F16; F16K; F16K21/00; F16K21/04; F16K21/18; F16K21/20; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7297; Y10T137/73; Y10T137/7358; Y10T137/7368; Y10T137/7371
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1872971A
Cited
US2491521A
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US2616450A
Cited
US2630822A
Cited
US2509978A
Cited
US2619108A
Cited
US2699316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |