US3075335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kitchen range hoods
Assignee: Broan Nutone LLC
•
Filing: 1959-12-14
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Granted: 1963-01-29
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Expires: 1979-12-14
Abstract
No abstract record available.
Inventors
- 👤 Fred H Bandlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:10
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20; Y; Y10; Y10S; Y10S55/00; Y10S55/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
THE COMBINATION WITH A KITCHEN RANGE HOOD ADAPTED TO BE MOUNTED ABOVE A RANGE TO EXHAUST IMPURE AIR FROM THE VICINITY OF THE RANGE, SAID HOOD HAVING A BLOWER WITH AN OUTLET PORT OTHERWISE ADAPTED TO COMMUNICATE WITH A VENT PIPE FOR DISCHARGING SUCH IMPURE AIR TO THE EXTERNAL ATMOSPHERE, OF A CONVERTER HOUSING CONTAINING AN AIR PURIFYING FILTER, AN INLET PORT THERETO AND A PURE AIR DISCHARGE PORT COMMUNICATING WITH THE KITCHENS, MEANS REMOVABLY MOUNTING SAID HOUSING ON TOP OF SAID HOOD WITH THE INLET PORT OF SAID HOUSING COMMUNICATING WITH THE OUTLET PORT OF THE BLOWER FOR MOVEMENT OF ALL AIR IMPELLED BY THE BLOWER THROUGH THE FILTER AND THROUGH THE DISCHARGE PORT OF THE HOUSING BACK INTO THE KITCHEN.
Claim 2
Dependent Claim
122 words
THE COMBINATION WITH A KITCHEN RANGE HOOD ADAPTED TO BE MOUNTED ABOVE A RANGE TO EXHAUST IMPURE AIR FROM THE VICINITY OF THE RANGE, SAID HOOD HAVING A BLOWER WITH AN OUTLET PORT OTHERWISE ADAPTED TO COMMUNICATE WITH A VENT PIPE FOR DISCHARGING SUCH IMPURE AIR TO THE EXTERNAL ATMOSPHERE, OF A CONVERTER HOUSING CONTAINING AN AIR PURIFYING FILTER, AN INLET PORT THERETO AND A PURE AIR DISCHARGE PORT COMMUNICATING WITH THE KITCHENS, MEANS REMOVABLY MOUNTING SAID HOUSING ON TOP OF SAID HOOD WITH THE INLET PORT OF SAID HOUSING COMMUNICATING WITH THE OUTLET PORT OF THE BLOWER FOR MOVEMENT OF ALL AIR IMPELLED BY THE BLOWER THROUGH THE FILTER AND THROUGH THE DISCHARGE PORT OF THE HOUSING BACK INTO THE KITCHEN.
References Cited (Backward Citations)
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US2811840A
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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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |