US2956770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1956-03-09
•
Granted: 1960-10-18
•
Expires: 1976-03-09
Abstract
No abstract record available.
Inventors
- 👤 Fred C Galley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:38
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2407761A
Cited
US1981259A
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US2088248A
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US2092478A
Cited
US2228588A
Cited
US2329254A
Cited
US2447510A
Cited
US2664246A
Cited
US2635635A
Cited
US2651326A
Cited
US2789784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |