Patent US3289667A successfully refreshed from Google Patents.
US3289667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel burner
Assignee: Individual
•
Filing: 1965-01-25
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Granted: 1966-12-06
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Expires: 1985-01-25
Abstract
No abstract record available.
Inventors
- 👤 Henry E Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:02
CPC Classifications
F; F24; F24B; F24B1/00; F24B1/18; F24B1/191; F24B1/195
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A FUEL BURNER COMPRISING A HOUSING HAVING FRONT, BACK AND OPPOSITE END WALLS, SAID BACK WALL BEING HIGHER THAN SAID FRONT WALL, AN UPWARDLY AND REARWARDLY INCLINED COVER PORTION DEFINING A TOP OPENING, A TROUGH-LIKE FUEL CONTAINER SUPPORTED IN SAID HOUSING SPACED FROM THE WALLS OF SAID HOUSING AND SAID COVER PORTION, SAID CONTAINER HAVING A TROUGH-LIKE BOTTOM PORTION OF CYLINDRICAL CURVATURE AND HAVING A LOW FRONT WALL AND A REAR WALL EXTENDED TO A SUBSTANTIALLY HIGHER LEVEL THAN SAID FRONT WALL OF THE HOSUING AND CLOSED AT ITS OPPOSITE ENDS BY VERTICAL END WALLS, AND SAID FUEL CONTAINER BEING SUPPORTED AT ITS OPPOSITE ENDS FROM THE END DEFINING PORTIONS OF THE COVER PLATE, AND THE LONGITUDINAL EDGE PORTIONS OF SAID COVER PLATE BEING SHAPED TO DEFLECT THE AIR CURRENTS DELIVERED FROM THE HOUSING CHAMBER INWARDLY ACROSS THE TOP EDGES OF THE CONTAINER WALLS TO FACILITATE THE COMBUSTION OF FUEL BURNING IN THE CONTAINER.
Claim 2
Dependent Claim
154 words
A FUEL BURNER COMPRISING A HOUSING HAVING FRONT, BACK AND OPPOSITE END WALLS, SAID BACK WALL BEING HIGHER THAN SAID FRONT WALL, AN UPWARDLY AND REARWARDLY INCLINED COVER PORTION DEFINING A TOP OPENING, A TROUGH-LIKE FUEL CONTAINER SUPPORTED IN SAID HOUSING SPACED FROM THE WALLS OF SAID HOUSING AND SAID COVER PORTION, SAID CONTAINER HAVING A TROUGH-LIKE BOTTOM PORTION OF CYLINDRICAL CURVATURE AND HAVING A LOW FRONT WALL AND A REAR WALL EXTENDED TO A SUBSTANTIALLY HIGHER LEVEL THAN SAID FRONT WALL OF THE HOSUING AND CLOSED AT ITS OPPOSITE ENDS BY VERTICAL END WALLS, AND SAID FUEL CONTAINER BEING SUPPORTED AT ITS OPPOSITE ENDS FROM THE END DEFINING PORTIONS OF THE COVER PLATE, AND THE LONGITUDINAL EDGE PORTIONS OF SAID COVER PLATE BEING SHAPED TO DEFLECT THE AIR CURRENTS DELIVERED FROM THE HOUSING CHAMBER INWARDLY ACROSS THE TOP EDGES OF THE CONTAINER WALLS TO FACILITATE THE COMBUSTION OF FUEL BURNING IN THE CONTAINER.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |