US2768676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner primary control
Assignee: General Controls Co
•
Filing: 1953-01-30
•
Granted: 1956-10-30
•
Expires: 1973-01-30
Abstract
No abstract record available.
Inventors
- 👤 Justin A Deubel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:33
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/20; F23N2227/00; F23N2227/04; F23N2231/00; F23N2231/04; F23N2233/00; F23N2233/06; F23N2239/00; F23N2239/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1673404A
Cited
US1793011A
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US2673606A
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US2693849A
Cited
US2640648A
Cited
US2630167A
Cited
US2680478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |