US3094915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roof ventilator
Assignee: LEIGH PRODUCTS Inc
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Filing: 1961-12-07
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Granted: 1963-06-25
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Expires: 1981-12-07
Abstract
No abstract record available.
Inventors
- 👤 Robert L Leigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:22
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/03; E04D13/0325; F; F24; F24F; F24F7/00; F24F7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
A ROOF VENTILATOR COMPRISING A BASE MEMBER HAVING A SUBSTANTIALLY RECTANGULAR VENT OPENING THEREIN, A FIRST BAFFLE MEMBER OF SUBSTANTIAL HEIGHT INTEGRAL WITH AND PROJECTING UPWARDLY FROM SAID BASE MEMBER IN SURROUNDING RELATION TO SAID OPENING THEREIN, A HOOD COMPRISING A TOP DISPOSED IN SUBSTANTIALLY VERTICAL SPACED RELATION TO SAID FIRST BAFFLE MEMBER AND HAVING DOWNWARDLY PROJECTING FRONT, REAR AND SIDE WALLS SPACED OUTWARDLY RELATIVE TO SAID FIRST BAFFLE MEMBER, THE REAR WALL OF SAID TOP MEMBER EXTENDING DOWNWARDLY AND BEING FIXEDLY SECURED TO SAID BASE MEMBER, A PLURALITY OF LATERALLY SPACED STRUTS MOUNTED ON SAID FIRST BAFFLE MEMBER TO PROJECT OUTWARDLY AND UPWARDLY THEREFROM WITH THEIR OUTER ENDS FIXEDLY SECURED TO THE INNER SIDES OF SAID HOOD FRONT AND SIDE WALLS, SAID STRUTS HAVING UPWARDLY OPENING SLOTS THEREIN SPACED OUTWARDLY FROM SAID FIRST BAFFLE MEMBER, AND A SECOND BAFFLE MEMBER OF U-SHAPED SUPPORTINGLY ENGAGED IN SAID SLOTS IN SAID STRUTS AND HAVING STRUT RECEIVING SLOTS EXTENDING FROM ITS LOWER EDGE FITTINGLY RECEIVING PORTIONS OF SAID STRUTS, THE SAID SECOND BAFFLE MEMBER BEING SUBSTANTIALLY SPACED FROM SAID HOOD TOP AND WALLS WITH ITS UPPER EDGE PROJECTING ABOVE THE PLANE OF THE LOWER EDGES OF SAID WALLS AND ITS LOWER EDGE PROJECTING BELOW THE PLANE OF THE TOP OF SAID FIRST BAFFLE MEMBER.
Claim 2
Dependent Claim
212 words
A ROOF VENTILATOR COMPRISING A BASE MEMBER HAVING A SUBSTANTIALLY RECTANGULAR VENT OPENING THEREIN, A FIRST BAFFLE MEMBER OF SUBSTANTIAL HEIGHT INTEGRAL WITH AND PROJECTING UPWARDLY FROM SAID BASE MEMBER IN SURROUNDING RELATION TO SAID OPENING THEREIN, A HOOD COMPRISING A TOP DISPOSED IN SUBSTANTIALLY VERTICAL SPACED RELATION TO SAID FIRST BAFFLE MEMBER AND HAVING DOWNWARDLY PROJECTING FRONT, REAR AND SIDE WALLS SPACED OUTWARDLY RELATIVE TO SAID FIRST BAFFLE MEMBER, THE REAR WALL OF SAID TOP MEMBER EXTENDING DOWNWARDLY AND BEING FIXEDLY SECURED TO SAID BASE MEMBER, A PLURALITY OF LATERALLY SPACED STRUTS MOUNTED ON SAID FIRST BAFFLE MEMBER TO PROJECT OUTWARDLY AND UPWARDLY THEREFROM WITH THEIR OUTER ENDS FIXEDLY SECURED TO THE INNER SIDES OF SAID HOOD FRONT AND SIDE WALLS, SAID STRUTS HAVING UPWARDLY OPENING SLOTS THEREIN SPACED OUTWARDLY FROM SAID FIRST BAFFLE MEMBER, AND A SECOND BAFFLE MEMBER OF U-SHAPED SUPPORTINGLY ENGAGED IN SAID SLOTS IN SAID STRUTS AND HAVING STRUT RECEIVING SLOTS EXTENDING FROM ITS LOWER EDGE FITTINGLY RECEIVING PORTIONS OF SAID STRUTS, THE SAID SECOND BAFFLE MEMBER BEING SUBSTANTIALLY SPACED FROM SAID HOOD TOP AND WALLS WITH ITS UPPER EDGE PROJECTING ABOVE THE PLANE OF THE LOWER EDGES OF SAID WALLS AND ITS LOWER EDGE PROJECTING BELOW THE PLANE OF THE TOP OF SAID FIRST BAFFLE MEMBER.
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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |