Patent US4972280A successfully refreshed from Google Patents.
Patent US3081612A successfully refreshed from Google Patents.
US3081612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial candle
Assignee: Individual
•
Filing: 1961-11-16
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Granted: 1963-03-19
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Expires: 1981-11-16
Abstract
No abstract record available.
Inventors
- 👤 Frank A Roscovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:33
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/02; F23D; F23D3/00; F23D3/02; F23D3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
AN ARTIFICIAL CANDLE COMPRISING: A TUBULAR CASING HAVING A REMOVABLE LOWER END WALL; A PLUG HAVING AN EXTERNALLY THREADED WICK HOLDER FORMED INTEGRALLY WITH THE TOP THEREOF, SAID PLUG AND SAID WICK HOLDER HAVING A CONTINUING CENTRAL BORE THERETHROUGH, SAID PLUG INSERTED INTO THE TOP OF SAID TUBULAR CASING THEREBY ENABLING ITS BOTTOM SURFACE TO FORM THE UPPER END INSIDE WALL OF SAID TUBULAR CASING; A FLAME ADJUSTER HAVING A BORE THEREIN WITH THREADED AND UNTHREADED LENGTHS, SAID FLAME ADJUSTER BEING IN THREADED ENGAGEMENT WITH SAID WICK HOLDER; A WICK BEING PASSED FROM THE INSIDE OF SAID TUBULAR CASING, THROUGH THE CONTINUING BORE IN SAID PLUG AND SAID WICK HOLDER, AND THROUGH THE BORE OF SAID FLAME ADJUSTER; SAID UNTHREADED LENGTH OF THE BORE OF SAID FLAME ADJUSTER PREVENTING A PREDETERMINED LENGTH OF SAID WICK IMMEDIATELY ADJACENT TO AND EXTENDING FROM SAID WICK HOLDER, FROM BEING EXPOSED BEYOND THE UPPER END OF SAID FLAME ADJUSTER; AND A REMOVABLE DECORATIVE SLEEVE BEING FITTED OVER THE LENGTH OF SAID TUBULAR CASING AND BEING IN FRICTION ENGAGEMENT WITH SAID FLAME ADJUSTER SO THAT WHEN SAID REMOVABLE DECORATIVE SLEEVE IS ROTATED THERE RESULTS AN ADJUSTMENT OF SAID FLAME ADJUSTER.
Claim 2
Dependent Claim
195 words
AN ARTIFICIAL CANDLE COMPRISING: A TUBULAR CASING HAVING A REMOVABLE LOWER END WALL; A PLUG HAVING AN EXTERNALLY THREADED WICK HOLDER FORMED INTEGRALLY WITH THE TOP THEREOF, SAID PLUG AND SAID WICK HOLDER HAVING A CONTINUING CENTRAL BORE THERETHROUGH, SAID PLUG INSERTED INTO THE TOP OF SAID TUBULAR CASING THEREBY ENABLING ITS BOTTOM SURFACE TO FORM THE UPPER END INSIDE WALL OF SAID TUBULAR CASING; A FLAME ADJUSTER HAVING A BORE THEREIN WITH THREADED AND UNTHREADED LENGTHS, SAID FLAME ADJUSTER BEING IN THREADED ENGAGEMENT WITH SAID WICK HOLDER; A WICK BEING PASSED FROM THE INSIDE OF SAID TUBULAR CASING, THROUGH THE CONTINUING BORE IN SAID PLUG AND SAID WICK HOLDER, AND THROUGH THE BORE OF SAID FLAME ADJUSTER; SAID UNTHREADED LENGTH OF THE BORE OF SAID FLAME ADJUSTER PREVENTING A PREDETERMINED LENGTH OF SAID WICK IMMEDIATELY ADJACENT TO AND EXTENDING FROM SAID WICK HOLDER, FROM BEING EXPOSED BEYOND THE UPPER END OF SAID FLAME ADJUSTER; AND A REMOVABLE DECORATIVE SLEEVE BEING FITTED OVER THE LENGTH OF SAID TUBULAR CASING AND BEING IN FRICTION ENGAGEMENT WITH SAID FLAME ADJUSTER SO THAT WHEN SAID REMOVABLE DECORATIVE SLEEVE IS ROTATED THERE RESULTS AN ADJUSTMENT OF SAID FLAME ADJUSTER.
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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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |