US2544930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pilot burner and flame detector assembly
Assignee: Honeywell Inc
•
Filing: 1944-05-27
•
Granted: 1951-03-13
•
Expires: 1964-05-27
Abstract
No abstract record available.
Inventors
- 👤 Sidney K Malek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:51
CPC Classifications
F; F23; F23Q; F23Q9/00; F23Q9/02; F23Q9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US608906A
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US1250242A
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US1700066A
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US1718681A
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US2124915A
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US2260167A
Cited
US2304200A
Cited
US2241295A
Cited
US2304334A
Cited
US2362272A
Cited
US2349484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |