US2532614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for water softening apparatus
Assignee: MOUNTAIN VALVE Co Inc
•
Filing: 1946-04-25
•
Granted: 1950-12-05
•
Expires: 1966-04-25
Abstract
No abstract record available.
Inventors
- 👤 Evans John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:53
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/42; F; F16; F16K; F16K11/00; F16K11/10; F16K11/20; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86726; Y10T137/86879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US423105A
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US1523757A
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GB196991A
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US1620717A
Cited
US1707692A
Cited
US1751061A
Cited
US2137406A
Cited
US2245767A
Cited
US2301176A
Cited
US2381501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |