Patent US3296984A successfully refreshed from Google Patents.
US3296984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polygonal briquette igniter
Assignee: Individual
•
Filing: 1965-10-15
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Granted: 1967-01-10
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Expires: 1985-10-15
Abstract
No abstract record available.
Inventors
- 👤 Arden N Durfee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:53
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/07; A47J37/0786; A47J37/079; F; F24; F24B; F24B15/00; F24B15/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
AN IGNITER FOR A CHARGE OF SIZED, PARTICULATE SOLIDS, WHEREIN SAID CHARGE IS EXPOSED TO A FLAME UNTIL IGNITED: COMPRISING A SUBSTANTIALLY POLYGONAL CHIMNEY MEANS AND SUBSTANTIALLY OPENWORK SUPPORT MEANS INCLUDING A SUBSTANTIALLY OPENWORK GRATE ADAPTED TO SUPPORT SAID CHIMNEY INTERMEDIATE THE TOP AND BOTTOM OF SAID SUPPORT MEANS AND TO SUPPORT, ON SUBSTANTIALLY THE ENTIRE SURFACE OF SAID GRATE WITHIN THE CHIMNEY, SAID CHARGE.
Claim 2
Dependent Claim
65 words
AN IGNITER FOR A CHARGE OF SIZED, PARTICULATE SOLIDS, WHEREIN SAID CHARGE IS EXPOSED TO A FLAME UNTIL IGNITED: COMPRISING A SUBSTANTIALLY POLYGONAL CHIMNEY MEANS AND SUBSTANTIALLY OPENWORK SUPPORT MEANS INCLUDING A SUBSTANTIALLY OPENWORK GRATE ADAPTED TO SUPPORT SAID CHIMNEY INTERMEDIATE THE TOP AND BOTTOM OF SAID SUPPORT MEANS AND TO SUPPORT, ON SUBSTANTIALLY THE ENTIRE SURFACE OF SAID GRATE WITHIN THE CHIMNEY, SAID CHARGE.
References Cited (Backward Citations)
GB246549A
Cited
GB191011178A
Cited
GB191017067A
Cited
US1622431A
Cited
FR629227A
Cited
US2920614A
Cited
US3062200A
Cited
US3216379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |