Patent EP0396346A1 successfully refreshed from Google Patents.
Patent US3216379A successfully refreshed from Google Patents.
US3216379A
Expired / Lapsed
US
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Briquette igniter
Assignee: Individual
•
Filing: 1963-07-22
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Granted: 1965-11-09
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Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Arden N Durfee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:07
CPC Classifications
F; F24; F24B; F24B15/00; F24B15/005; A; A47; A47J; A47J37/00; A47J37/06; A47J37/07; A47J37/0786; A47J37/079
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
AN IGNITER FOR A CHARGE OF SIZED, PARTICULATE SOLIDS, WHEREIN SAID CHARGE IS EXPOSED TO A FLAME UNTIL IGNITED; COMPRISING A SUBSTANTIALLY CYLINDRICAL CHIMNEY MEANS AND CONICAL OPENWORK SUPPORT MEANS INCLUDING A SUBSTANTIALLY CONICAL GRATE ADAPTED TO SUPPORT SAID CHIMNEY INTERMEDIATE THE TOP AND BOTTOM OF SAID SUPPORT MEANS AND TO SUPPORT, ON SUBSTANTIALLY THE ENTIRE UPPER SURFACE OF SAID GRATE WITHIN THE CHIMNEY, SAID CHARGE.
Claim 2
Dependent Claim
66 words
AN IGNITER FOR A CHARGE OF SIZED, PARTICULATE SOLIDS, WHEREIN SAID CHARGE IS EXPOSED TO A FLAME UNTIL IGNITED; COMPRISING A SUBSTANTIALLY CYLINDRICAL CHIMNEY MEANS AND CONICAL OPENWORK SUPPORT MEANS INCLUDING A SUBSTANTIALLY CONICAL GRATE ADAPTED TO SUPPORT SAID CHIMNEY INTERMEDIATE THE TOP AND BOTTOM OF SAID SUPPORT MEANS AND TO SUPPORT, ON SUBSTANTIALLY THE ENTIRE UPPER SURFACE OF SAID GRATE WITHIN THE CHIMNEY, SAID CHARGE.
References Cited (Backward Citations)
GB246549A
Cited
GB191011178A
Cited
GB191017067A
Cited
US1622431A
Cited
FR629227A
Cited
GB361150A
Cited
GB382712A
Cited
US2920614A
Cited
US3062200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |