US2466274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermocouple for fuel burners
Assignee: General Controls Co
•
Filing: 1940-11-05
•
Granted: 1949-04-05
•
Expires: 1960-11-05
Abstract
No abstract record available.
Inventors
- 👤 William A Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:22
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/03; F; F23; F23N; F23N5/00; F23N5/02; F23N5/10; F23Q; F23Q9/00; F23Q9/08; F23Q9/12
Claims Analysis
Total Claims: 0
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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) | 1952-04-04 | 1952-10-04 | 1953-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-04 | 1956-10-04 | 1957-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-04 | 1960-10-04 | 1961-04-05 | $7700.00 | Window Closed / Lapsed |