US3192852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vent for room space heaters
Assignee: PEERLESS Manufacturing DIVISION DOVER CO
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Filing: 1963-07-31
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Granted: 1965-07-06
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Expires: 1983-07-31
Abstract
No abstract record available.
Inventors
- 👤 Marvin L Stark
- 👤 Frank C Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:00
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/001; F24C15/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A COMBINED AIR INTAKE AND GASEOUS FLUE VENTING UNIT FOR FUEL BURNERS OF ROOM SPACE HEATERS AND THE LIKE, COMPRISING, A RECTANGULAR SUPPORTING PLATE (A) HAVING A RECTANGULAR OPENING, A RECTANGULAR EXPANDED METAL FRESH AIR INTAKE MEMBER (B) FITTED INTO SAID RECTANGULAR OPENING AND SECURED TO SAID SUPPORTING PLATE (A) AND A GAS DISPERSION OUTLET UNIT (C) FITTED TO THE OUTER END OF SAID FRESH AIR INTAKE MEMBER, SAID UNIT INCLUDING, AN INNER SUPPORTING PLATE (2) HAVING A RECTANGULAR COLLAR (1) TO WHICH THE RECTANGULAR EXPANDED METAL MESH IS WELDED, A GASEOUS FLUE CONNECTING PLATE (5) HAVING A CENTRAL OPENING DEFINED BY AN ANNULAR FLANGE (5A) FOR CONNECTING WITH THE GASEOUS FLUE OF THE BURNER INSTALLATION, AN OUTER IMPERVIOUS PLATE (12) AND A SERIES OF PLATES (6,7) BETWEEN SAID SUPPORTING PLATE (5) AND THE OUTER IMPERVIOUS PLATE (12), ALL OF THE SERIES OF PLATES HAVING REGISTERING OPENINGS, AND MEANS FOR SECURING ALL OF THE PLATES OF THE GASEOUS DISPERSION OUTLET UNIT IN SPACED RELATION AND TO THE SUPPORTING PLATE (2)
Claim 2
Dependent Claim
170 words
A COMBINED AIR INTAKE AND GASEOUS FLUE VENTING UNIT FOR FUEL BURNERS OF ROOM SPACE HEATERS AND THE LIKE, COMPRISING, A RECTANGULAR SUPPORTING PLATE (A) HAVING A RECTANGULAR OPENING, A RECTANGULAR EXPANDED METAL FRESH AIR INTAKE MEMBER (B) FITTED INTO SAID RECTANGULAR OPENING AND SECURED TO SAID SUPPORTING PLATE (A) AND A GAS DISPERSION OUTLET UNIT (C) FITTED TO THE OUTER END OF SAID FRESH AIR INTAKE MEMBER, SAID UNIT INCLUDING, AN INNER SUPPORTING PLATE (2) HAVING A RECTANGULAR COLLAR (1) TO WHICH THE RECTANGULAR EXPANDED METAL MESH IS WELDED, A GASEOUS FLUE CONNECTING PLATE (5) HAVING A CENTRAL OPENING DEFINED BY AN ANNULAR FLANGE (5A) FOR CONNECTING WITH THE GASEOUS FLUE OF THE BURNER INSTALLATION, AN OUTER IMPERVIOUS PLATE (12) AND A SERIES OF PLATES (6,7) BETWEEN SAID SUPPORTING PLATE (5) AND THE OUTER IMPERVIOUS PLATE (12), ALL OF THE SERIES OF PLATES HAVING REGISTERING OPENINGS, AND MEANS FOR SECURING ALL OF THE PLATES OF THE GASEOUS DISPERSION OUTLET UNIT IN SPACED RELATION AND TO THE SUPPORTING PLATE (2)
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |