Patent US2716445A successfully refreshed from Google Patents.
US2716445A
Expired / Lapsed
US
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Ignition and fuel supply control apparatus for fluid fuel pot-types burners
Assignee: Individual
•
Filing: 1951-04-02
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Granted: 1955-08-30
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Expires: 1971-04-02
Abstract
No abstract record available.
Inventors
- 👤 Richard F Van Tubergen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:11
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/04; F23N5/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2021647A
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US2192631A
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US2187045A
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US2396205A
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US2416766A
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US2375900A
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US2438275A
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US2428751A
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US2656883A
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US2640648A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |