Patent US2477078A successfully refreshed from Google Patents.
US2477078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermocouple burner control
Assignee: —
•
Filing: —
•
Granted: 1949-07-26
•
Expires: 1966-07-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:26
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US857915A
Cited
US1898952A
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US2226313A
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US2257024A
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US2318136A
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US2318823A
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US2324862A
Cited
US2268953A
Cited
US2299649A
Cited
US2353759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |