US2693913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition and fuel control means for liquid fuel burners
Assignee: Perfection Stove Co
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Filing: 1951-08-14
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Granted: 1954-11-09
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Expires: 1971-08-14
Abstract
No abstract record available.
Inventors
- 👤 Resek Marc
- 👤 Wilbur A Schultz
- 👤 Lloyd V Antl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:06
CPC Classifications
F; F23; F23D; F23D5/00; F23D5/12; F23D5/18; F23D5/02; F23D5/04; F23D5/14; F24; F24C; F24C5/00; F24C5/14; F23N; F23N2223/00; F23N2223/22; F23N2223/24; F23N2225/00; F23N2225/08; F23N2225/12; F23N2227/00; F23N2227/38; F23N2233/00; F23N2233/06; F23N2235/00; F23N2235/02; F23N2235/06; F23N2239/00; F23N2239/06; F23N2241/00; F23N2241/02; F23N5/00; F23N5/02; F23N5/04; F23N5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |