US2587358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: SECURITY VALVE CO
•
Filing: 1946-05-17
•
Granted: 1952-02-26
•
Expires: 1966-05-17
Abstract
No abstract record available.
Inventors
- 👤 Fred W Mcrae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:20
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; F16K17/00; F16K17/02; F16K17/04; F16K17/042; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/773
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US642998A
Cited
US665181A
Cited
US1614468A
Cited
US1703531A
Cited
US2037302A
Cited
US2220902A
Cited
US2327055A
Cited
US2413002A
Cited
US2463865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |