US3101897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control for burners
Assignee: SUBURBAN APPLIANCE CO
•
Filing: 1960-12-29
•
Granted: 1963-08-27
•
Expires: 1980-12-29
Abstract
No abstract record available.
Inventors
- 👤 Charles O Vaughn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:08
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/18; F23N5/188; F23N1/00; F23N1/02; F23N1/027; F23N5/02; F23N5/04; F23N5/045; F23N2225/00; F23N2225/08; F23N2233/00; F23N2233/06; F23N2233/08; F23N2235/00; F23N2235/12; F23N2235/16; F23N2235/20; F23N2235/24; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1853863A
Cited
US2502345A
Cited
US2507119A
Cited
US2811166A
Cited
US2705046A
Cited
US2867268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |