US3005487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas valve control with plural thermocouples
Assignee: AMERICAN CONTROL CORP
•
Filing: 1957-01-11
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Granted: 1961-10-24
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Expires: 1977-01-11
Abstract
No abstract record available.
Inventors
- 👤 Theodore H Thiele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:23
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/10; F23N5/105; F23N5/107; F23Q; F23Q9/00; F23Q9/02; F23Q9/04; Y; Y10; Y10T; Y10T137/00; Y10T137/1407; Y10T137/1516
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2253670A
Cited
US2375569A
Cited
US2384696A
Cited
US2518804A
Cited
US2623545A
Cited
US2635632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |