US3654850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vent unit
Assignee: Diversified Designs Services
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Filing: 1970-08-26
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Granted: 1972-04-11
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Expires: 1990-08-26
Abstract
Abstract An improved vent unit assembly is provided for particular use in a mobile home gas refrigerator ventilation system, but which has general utility. The vent assembly of the invention is of a twopiece construction, each of the components of which may be nested with other like components for compact packaging when shipping, and for ease of dismantling when cleaning the ventilation system in which the assembly is incorporated.
Inventors
- 👤 Clyde C Berkus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:45
CPC Classifications
F; F23; F23L; F23L17/00; F23L17/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
213 words
A two-piece vent comprising: a first part having an elongated generally rectangular configuration with an open top and an open bottom and having a peripheral flange extending around said open bottom and further having an upstanding inwardly flared side wall integral with said flange; and a second part having a generally similar rectangular configuration to that of said first part and having an open bottom of a length and width greater than the length and width of said open top of said first part, said second part having a closed top and an outwardly flared side wall integral therewith and extending to the open bottom thereof, and further having means extending between said first part and said second part to support said second part in a spaced overlying relationship with respect to said first part, said last-named means comprising a pair of integral tabs extending down from said side wall of said second part at the respective ends thereof with the lower ends of said tabs shaped to overlie the aforesaid flange of said first part, and screw means securing said tabs to said flange, said tabs supporting said second part over said first part with the respective side walls of the first and second parts in spaced telescoping relationship with one another.
Claim 2
Dependent Claim
213 words
A two-piece vent comprising: a first part having an elongated generally rectangular configuration with an open top and an open bottom and having a peripheral flange extending around said open bottom and further having an upstanding inwardly flared side wall integral with said flange; and a second part having a generally similar rectangular configuration to that of said first part and having an open bottom of a length and width greater than the length and width of said open top of said first part, said second part having a closed top and an outwardly flared side wall integral therewith and extending to the open bottom thereof, and further having means extending between said first part and said second part to support said second part in a spaced overlying relationship with respect to said first part, said last-named means comprising a pair of integral tabs extending down from said side wall of said second part at the respective ends thereof with the lower ends of said tabs shaped to overlie the aforesaid flange of said first part, and screw means securing said tabs to said flange, said tabs supporting said second part over said first part with the respective side walls of the first and second parts in spaced telescoping relationship with one another.
Claim 3
Dependent Claim
39 words
The two-piece vent defined in claim 1, in which said first part has an upsTanding rim formed integral with the upper edge thereof and extending around the aforesaid open top thereof to form a rain guard for the vent.
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) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |