Patent US3121408A successfully refreshed from Google Patents.
US3121408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible burner
Assignee: Individual
•
Filing: 1961-03-27
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Granted: 1964-02-18
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Expires: 1981-03-27
Abstract
No abstract record available.
Inventors
- 👤 Haning Charles Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:41
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/07; A47J37/0786; A47J37/079
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A CHARCOAL LIGHTER CONSISTING OF A SHEET METAL CHIMNEY COMPRISING AN INNER OPEN ENDED FUNNEL SHAPED SHEET METAL MEMBER TAPERING FROM THE TOP TO THE BOTTOM, HAVING ONE OPENING AT THE TOP AND HAVING A SMALLER OPENING AT THE BOTTOM; AND AN OUTER OPEN ENDED FUNNEL SHAPED SHEET METAL MEMBER TAPERING FROM THE TOP TO THE BOTTOM TELESCOPED OVER THE INNER MEMBER HAVING ONE OPENING AT THE TOP AND HAVING AN OPENING AT THE BOTTOM SMALLER THAT THE OUTER PERIPHERY OF THE TOP OF THE INNER MEMBER WHEREBY THE MEMBERS MAY NOT BE DISASSEMBLED BY RAISING THE OUTER MEMBER ABOVE THE INNER MEMBER; AND THE OUTER MEMBER HAVING A PLURALITY OF INWARDLY BENT TABS WHEREBY THE PARTS ARE PREVENTED FROM BEING INADVERTENTLY DISASSEMBLED BY RAISING THE INNER MEMBER ABOVE THE OUTER MEMBER.
Claim 2
Dependent Claim
132 words
A CHARCOAL LIGHTER CONSISTING OF A SHEET METAL CHIMNEY COMPRISING AN INNER OPEN ENDED FUNNEL SHAPED SHEET METAL MEMBER TAPERING FROM THE TOP TO THE BOTTOM, HAVING ONE OPENING AT THE TOP AND HAVING A SMALLER OPENING AT THE BOTTOM; AND AN OUTER OPEN ENDED FUNNEL SHAPED SHEET METAL MEMBER TAPERING FROM THE TOP TO THE BOTTOM TELESCOPED OVER THE INNER MEMBER HAVING ONE OPENING AT THE TOP AND HAVING AN OPENING AT THE BOTTOM SMALLER THAT THE OUTER PERIPHERY OF THE TOP OF THE INNER MEMBER WHEREBY THE MEMBERS MAY NOT BE DISASSEMBLED BY RAISING THE OUTER MEMBER ABOVE THE INNER MEMBER; AND THE OUTER MEMBER HAVING A PLURALITY OF INWARDLY BENT TABS WHEREBY THE PARTS ARE PREVENTED FROM BEING INADVERTENTLY DISASSEMBLED BY RAISING THE INNER MEMBER ABOVE THE OUTER MEMBER.
References Cited (Backward Citations)
US859030A
Cited
US915239A
Cited
US1954542A
Cited
US1938645A
Cited
US2154165A
Cited
US2120683A
Cited
US2763395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |