Patent US2901033A successfully refreshed from Google Patents.
US2901033A
Expired / Lapsed
US
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Flame retention piloting device for gas burner
Assignee: C J GASKELL Co Inc
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Filing: 1956-06-20
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Granted: 1959-08-25
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Expires: 1976-06-20
Abstract
No abstract record available.
Inventors
- 👤 James D Holden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:51
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1884764A
Cited
FR746061A
Cited
US2073448A
Cited
US2023624A
Cited
US2155339A
Cited
US2376274A
Cited
US2759473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |