US3049169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety combustion control system
Assignee: Individual
•
Filing: 1958-06-09
•
Granted: 1962-08-14
•
Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 Philip N Bredesen
- 👤 George G Outterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:12
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/22; F23N2227/00; F23N2227/04; F23N2227/06; F23N2229/00; F23N2231/00; F23N2231/06; F23N2231/12; F23N2233/00; F23N2233/06; F23N2239/00; F23N2239/06; F23N5/02; F23N5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2685918A
Cited
US1986032A
Cited
US2618323A
Cited
US2655207A
Cited
US2655208A
Cited
US2673603A
Cited
US2851095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |