US3236171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air circulation register attachment device
Assignee: VASKOV IND Inc
•
Filing: 1964-06-29
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Granted: 1966-02-22
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Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Vaskov Vladimir
- 👤 Frank R Ogilvie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:12
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN COMBINATION, A RECTANGULAR OUTLET FRAME ADAPTED TO BE SUPPORTED IN AN OPENING IN A WALL, A PLATE ADAPTED TO BE ATTACHED TO SAID OUTLET FRAME, SAID PLATE BEING CONFIGURATED TO OVERLY A WALL ABOUT AN OPEING, SAID PLATE HAVING UPSTANDING FLANGES ON ONE FACE THEREOF ADAPTED TO BE INSERTED INTO SAID OUTLET FRAME, SPRING TONGUES CUT FROM AND INTEGRAL WITH THE PLATE FLANGES AND EXTENDING OUTWARDLY THEREFROM, AND INWARDLY AND REARWARDLY DIRECTED INTEGRAL SPRING ENGAGING MEANS ON SAID OUTLET FRAME WHICH PROVIDE GRIPPING EDGES FOR ENGAGEMENT BY SAID SPRING TONGUES, SAID SPRING TONGUES HAVING OUTWARDLY DIRECTED FREE EDGES WITH SAW-TEETH FORMED THEREON, THEREBY TO PROVIDE A PLURALITY OF STOP LEVELS FOR SAID GRIPPING EDGES TO THE FRAME, WHEREBY THE PLATE IS ATTACHED TO THE OUTLET FRAME IS A POSITION TO OVERLY SAID WALL OPENING.
Claim 2
Dependent Claim
135 words
IN COMBINATION, A RECTANGULAR OUTLET FRAME ADAPTED TO BE SUPPORTED IN AN OPENING IN A WALL, A PLATE ADAPTED TO BE ATTACHED TO SAID OUTLET FRAME, SAID PLATE BEING CONFIGURATED TO OVERLY A WALL ABOUT AN OPEING, SAID PLATE HAVING UPSTANDING FLANGES ON ONE FACE THEREOF ADAPTED TO BE INSERTED INTO SAID OUTLET FRAME, SPRING TONGUES CUT FROM AND INTEGRAL WITH THE PLATE FLANGES AND EXTENDING OUTWARDLY THEREFROM, AND INWARDLY AND REARWARDLY DIRECTED INTEGRAL SPRING ENGAGING MEANS ON SAID OUTLET FRAME WHICH PROVIDE GRIPPING EDGES FOR ENGAGEMENT BY SAID SPRING TONGUES, SAID SPRING TONGUES HAVING OUTWARDLY DIRECTED FREE EDGES WITH SAW-TEETH FORMED THEREON, THEREBY TO PROVIDE A PLURALITY OF STOP LEVELS FOR SAID GRIPPING EDGES TO THE FRAME, WHEREBY THE PLATE IS ATTACHED TO THE OUTLET FRAME IS A POSITION TO OVERLY SAID WALL OPENING.
References Cited (Backward Citations)
US1952707A
Cited
US2722170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |