Patent US2720255A successfully refreshed from Google Patents.
US2720255A
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US
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Safety burner control apparatus
Assignee: Honeywell Inc
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Filing: 1953-01-09
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Granted: 1955-10-11
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Expires: 1973-01-09
Abstract
No abstract record available.
Inventors
- 👤 Carl J Bishofberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:31
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/20; F23N5/203; F24; F24C; F24C3/00; F24C3/10; F24C3/103; F23N2227/00; F23N2227/02; F23N2227/28; F23N2227/36; F23N2239/00; F23N2239/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |