US2751972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner safety control apparatus
Assignee: Honeywell Inc
•
Filing: 1954-01-28
•
Granted: 1956-06-26
•
Expires: 1974-01-28
Abstract
No abstract record available.
Inventors
- 👤 John A Loeber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:27
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/20; F23N5/02; F23N5/08; F23N5/082; F23N2227/00; F23N2227/04; F23N2233/00; F23N2233/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2170497A
Cited
US2313943A
Cited
US2537293A
Cited
US2616490A
Cited
US2655208A
Cited
US2695661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |