US2761468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonchattering fluid pressure relief valve
Assignee: Motors Liquidation Co
•
Filing: 1951-06-27
•
Granted: 1956-09-04
•
Expires: 1971-06-27
Abstract
No abstract record available.
Inventors
- 👤 Russell S Thatcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:29
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0406; F16K17/0433; F16K21/00; F16K21/04; F16K21/06; F16K21/08; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US851358A
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US1220872A
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US1773726A
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US1704152A
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US1912093A
Cited
US1896706A
Cited
GB337339A
Cited
US1854280A
Cited
US2103673A
Cited
CH197057A
Cited
US2572816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |