US2579034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple response override for thermal valves
Assignee: Alco Valve Co
•
Filing: 1945-06-08
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Granted: 1951-12-18
•
Expires: 1965-06-08
Abstract
No abstract record available.
Inventors
- 👤 John E Dube
- 👤 George D Bower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:40
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/30; F25B41/31; F25B41/33; F25B41/335
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2116802A
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US2319993A
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US2320055A
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US2363010A
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US2404596A
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US2443581A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |