Patent US2543262A successfully refreshed from Google Patents.
US2543262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner safety control system
Assignee: Combustion Control Corp
•
Filing: 1945-10-12
•
Granted: 1951-02-27
•
Expires: 1965-10-12
Abstract
No abstract record available.
Inventors
- 👤 Thomson Elihu Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:09
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/08; F23N5/082
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1910721A
Cited
US2078109A
Cited
FR790994A
Cited
FR47650E
Cited
DE662292C
Cited
US2343001A
Cited
US2260977A
Cited
US2361295A
Cited
US2274384A
Cited
US2358432A
Cited
US2360532A
Cited
US2388124A
Cited
US2403609A
Cited
US2379872A
Cited
US2379873A
Cited
US2372276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |