US2529378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic valve with multiple override
Assignee: Alco Valve Co
•
Filing: 1945-06-09
•
Granted: 1950-11-07
•
Expires: 1965-06-09
Abstract
No abstract record available.
Inventors
- 👤 John E Dube
- 👤 Franklin M Macdougall
- 👤 George D Bower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:49
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/30; F25B41/31; F25B41/325; F25B41/33; F25B41/335; F25B2600/00; F25B2600/21
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1925301A
Cited
US2029203A
Cited
GB463313A
Cited
US2116802A
Cited
US2111230A
Cited
US2319993A
Cited
US2404596A
Cited
US2443581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |