US3094980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fireplace installation for mobile homes
Assignee: Individual
•
Filing: 1961-01-23
•
Granted: 1963-06-25
•
Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Inabuit Charles Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:13
CPC Classifications
F; F24; F24B; F24B1/00; F24B1/18; F24B1/181
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN COMBINATION WITH A LIVING ENCLOSURE HAVING AN APERTURE IN THE ROOF THEREOF, A FIREPLACE INSTALLATION COMPRISING INNER CASING MEANS DEFINING A FIREBOX IN THE ENCLOSURE AND A SMOKESTACK EXTENDING UPWARDLY FROM THE FIREBOX THROUGH THE ROOF APERTURE, OUTER CASING MEANS EXTENDING ABOUT THE FIREBOX AND UPWARDLY THEREFROM THROUGH THE ROOF APERTURE IN SPACED RELATION WITH THE INNER CASING MEANS TO DEFINE THEREWITH AN ANNULAR AIR PASSAGE COMMUNICATING WITH THE INTERIOR AND EXTERIOR OF THE ENCLOSURE, SAID OUTER CASING MEANS HAVING PORTS THEREIN IN THE PORTION THEREOF PROJECTING THROUGH THE ROOF APERTURE, AND ADDITIONAL CASING MEANS EXTENDING THROUGH THE ROOF APERTURE ABOUT SAID OUTER CASING MEANS PORTION AND DEFINING THEREWITH AN ANNULAR AIR JACKET COMMUNICATING WITH THE EXTERIOR OF THE ENCLOSURE TO INDUCE INFLOW OF OUTSIDE AIR INTO AND THROUGH THE OUTER CASING MEANS PORTION UPON DRAFT OF AIR THROUGH SAID ANNULAR PASSAGE.
Claim 2
Dependent Claim
143 words
IN COMBINATION WITH A LIVING ENCLOSURE HAVING AN APERTURE IN THE ROOF THEREOF, A FIREPLACE INSTALLATION COMPRISING INNER CASING MEANS DEFINING A FIREBOX IN THE ENCLOSURE AND A SMOKESTACK EXTENDING UPWARDLY FROM THE FIREBOX THROUGH THE ROOF APERTURE, OUTER CASING MEANS EXTENDING ABOUT THE FIREBOX AND UPWARDLY THEREFROM THROUGH THE ROOF APERTURE IN SPACED RELATION WITH THE INNER CASING MEANS TO DEFINE THEREWITH AN ANNULAR AIR PASSAGE COMMUNICATING WITH THE INTERIOR AND EXTERIOR OF THE ENCLOSURE, SAID OUTER CASING MEANS HAVING PORTS THEREIN IN THE PORTION THEREOF PROJECTING THROUGH THE ROOF APERTURE, AND ADDITIONAL CASING MEANS EXTENDING THROUGH THE ROOF APERTURE ABOUT SAID OUTER CASING MEANS PORTION AND DEFINING THEREWITH AN ANNULAR AIR JACKET COMMUNICATING WITH THE EXTERIOR OF THE ENCLOSURE TO INDUCE INFLOW OF OUTSIDE AIR INTO AND THROUGH THE OUTER CASING MEANS PORTION UPON DRAFT OF AIR THROUGH SAID ANNULAR PASSAGE.
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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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |