US3221730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draft diverter hoods
Assignee: Carrier Corp
•
Filing: 1963-05-27
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Granted: 1965-12-07
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Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Robert L Hughes
- 👤 John H Hollingsworth
- 👤 Wayne H Garside
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:05
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/0052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A VENT TERMINATION HOOD FOR DEFLECTING GASEOUS PRODUCTS OF COMBUSTION FLOWING FROM A FLUE PIPE COMPRISING A BASE MEMBER HAVING A FLUE ACCOMMODATING OPENING THEREIN, OPPOSED SIDE PLATES CONNECTED AT THE LOWER EDGES THEREOF TO OPPOSED EDGES OF SAID BASE MEMBER, A COVER CONNECTED TO OPPOSED UPPER EDGES OF THE SIDE PLATES, INCLINED END PLATES CONNECTED TO SAID SIDE PLATES TO DEFINE OPENINGS WITH THE UNCONNECTED ENDS OF THE COVER, EACH OF SAID INCLINED END PLATES HAVING A LOWER FLANGE EXTENING OUTWARDLY IN SPACED RELATION TO THE UNCONNECTED EDGES OF AND PARALLEL TO SAID BASE MEMBER TO FORM AN AIR PASSAGE, AND A VERTICAL BAFFLE MEMBER OPPOSITE EACH FLANGE AND FORMING WITH EACH FLANGE AND SAID BASE PLATE A PAIR OF OPENINGS COMMUNICATING WITH SAID AIR PASSAGE, THE PLANE OF WHICH IS SUBSTANTIALLY PARALLEL TO THE PLANE OF THE BASE MEMBER.
Claim 2
Dependent Claim
141 words
A VENT TERMINATION HOOD FOR DEFLECTING GASEOUS PRODUCTS OF COMBUSTION FLOWING FROM A FLUE PIPE COMPRISING A BASE MEMBER HAVING A FLUE ACCOMMODATING OPENING THEREIN, OPPOSED SIDE PLATES CONNECTED AT THE LOWER EDGES THEREOF TO OPPOSED EDGES OF SAID BASE MEMBER, A COVER CONNECTED TO OPPOSED UPPER EDGES OF THE SIDE PLATES, INCLINED END PLATES CONNECTED TO SAID SIDE PLATES TO DEFINE OPENINGS WITH THE UNCONNECTED ENDS OF THE COVER, EACH OF SAID INCLINED END PLATES HAVING A LOWER FLANGE EXTENING OUTWARDLY IN SPACED RELATION TO THE UNCONNECTED EDGES OF AND PARALLEL TO SAID BASE MEMBER TO FORM AN AIR PASSAGE, AND A VERTICAL BAFFLE MEMBER OPPOSITE EACH FLANGE AND FORMING WITH EACH FLANGE AND SAID BASE PLATE A PAIR OF OPENINGS COMMUNICATING WITH SAID AIR PASSAGE, THE PLANE OF WHICH IS SUBSTANTIALLY PARALLEL TO THE PLANE OF THE BASE MEMBER.
References Cited (Backward Citations)
US2183099A
Cited
US2759472A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |