Patent US2501185A successfully refreshed from Google Patents.
US2501185A
Expired / Lapsed
US
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Temperature and pressure operated valve
Assignee: Metals and Controls Corp
•
Filing: 1945-12-07
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Granted: 1950-03-21
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Expires: 1965-12-07
Abstract
No abstract record available.
Inventors
- 👤 John O Moorhead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:51
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/08; A47J27/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1076159A
Cited
US1773698A
Cited
US1972169A
Cited
US2046187A
Cited
GB519568A
Cited
US2268359A
Cited
US2300825A
Cited
US2333993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |