US3170386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilator
Assignee: LESLIE WELDING CO Inc
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Filing: 1962-10-31
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Granted: 1965-02-23
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Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Myron B Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:29
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A VERTICAL VENTILATOR ADAPTED TO BE MOUNTED IN AN UPSTANDING OUTSIDE WALL OF A BUILDING COMPRISING AN UPSTANDING RECTANGULAR SHELL HAVING UPSTANDING OPPOSITE SIDE WALLS AND TOP AND BOTTOM WALLS, A PLURALITY OF SUBSTANTIALLY CONCENTRIC RECTANGULAR LOUVERS OF PROGRESSIVELY DECREASING DIMENSIONS DISPOSED WITHIN AND SUBSTANTIALLY CONCENTRIC WITH SAID SHELL AND RESPECTIVELY HAVING UPSTANDING SIDE SECTIONS AND TOP AND BOTTOM SECTIONS DEFINING PASSAGEWAYS HAVING AXES GENERALLY PARALLEL TO THE AXIS OF SAID SHELL, THE LARGEST OF SAID LOUVERS HAVING ITS OUTER PERIPHERAL EDGES IMMEDIATELY ADJACENT SAID SHELL WALLS AND SECURED TO SAID SHELL, BRACKET MEANS CONNECTED TO SAID LARGEST LOUVER AND SUPPORTING THE OTHER OF SID LOUVERS, AND A PLURALITY OF SUBSTANTIALLY HORIZONTALLY DISPOSED VERTICALLY SPACED AND DOWNWARDLY AND FORWARDLY EXTENDING BAFFLES FIXEDLY MOUNTED BETWEEN SAID OPPOSITE SIDE WALLS OF SAID SHELL BEHIND SAID LOUVERS, THE LOWERMOST OF SAID BAFFLES EXTENDING BENEATH AND IN OVERLAPPING SPACED RELATIONSHIP TO SAID BOTTOM SECTION OF SAID LARGEST LOUVER, AND THE UPPERMOST OF SAID BAFFLES EXTENDING WITH AN UPPER MARGIN THEREOF NOT SUBSTANTIALLY ABOVE THE INNER MARGIN OF THE TOP SECTION OF SAID LARGEST LOUVER.
Claim 2
Dependent Claim
180 words
A VERTICAL VENTILATOR ADAPTED TO BE MOUNTED IN AN UPSTANDING OUTSIDE WALL OF A BUILDING COMPRISING AN UPSTANDING RECTANGULAR SHELL HAVING UPSTANDING OPPOSITE SIDE WALLS AND TOP AND BOTTOM WALLS, A PLURALITY OF SUBSTANTIALLY CONCENTRIC RECTANGULAR LOUVERS OF PROGRESSIVELY DECREASING DIMENSIONS DISPOSED WITHIN AND SUBSTANTIALLY CONCENTRIC WITH SAID SHELL AND RESPECTIVELY HAVING UPSTANDING SIDE SECTIONS AND TOP AND BOTTOM SECTIONS DEFINING PASSAGEWAYS HAVING AXES GENERALLY PARALLEL TO THE AXIS OF SAID SHELL, THE LARGEST OF SAID LOUVERS HAVING ITS OUTER PERIPHERAL EDGES IMMEDIATELY ADJACENT SAID SHELL WALLS AND SECURED TO SAID SHELL, BRACKET MEANS CONNECTED TO SAID LARGEST LOUVER AND SUPPORTING THE OTHER OF SID LOUVERS, AND A PLURALITY OF SUBSTANTIALLY HORIZONTALLY DISPOSED VERTICALLY SPACED AND DOWNWARDLY AND FORWARDLY EXTENDING BAFFLES FIXEDLY MOUNTED BETWEEN SAID OPPOSITE SIDE WALLS OF SAID SHELL BEHIND SAID LOUVERS, THE LOWERMOST OF SAID BAFFLES EXTENDING BENEATH AND IN OVERLAPPING SPACED RELATIONSHIP TO SAID BOTTOM SECTION OF SAID LARGEST LOUVER, AND THE UPPERMOST OF SAID BAFFLES EXTENDING WITH AN UPPER MARGIN THEREOF NOT SUBSTANTIALLY ABOVE THE INNER MARGIN OF THE TOP SECTION OF SAID LARGEST LOUVER.
References Cited (Backward Citations)
US2852999A
Cited
US3103158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |