US2630167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner igniton and control system
Assignee: FARSPAN IND Inc
•
Filing: 1950-10-27
•
Granted: 1953-03-03
•
Expires: 1970-10-27
Abstract
No abstract record available.
Inventors
- 👤 Edward J Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:24
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/36; F23D11/42; F23N; F23N5/00; F23N5/02; F23N5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1816451A
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US2070118A
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US1986553A
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US1952299A
Cited
US2143076A
Cited
US2231212A
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US2135829A
Cited
US2463470A
Cited
US2498127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |