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US3837267A Expired / Lapsed US ⏱️ 0.0 years remaining

Adapter means for coupling a prepositioned air plenum chamber to a later positioned air bar

Assignee: Venturedyne Ltd
•
Filing: 1970-03-09
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Granted: 1974-09-24
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Expires: 1990-03-09
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Abstract

Abstract A SOFFIT-MOUNTED PREPOSITIONED AIR PLENUM CHAMBER WITH AN OUTLET OVER AND AIR BAR PROVIDED AS PART OF A SUSPENDED CEILING INSTALLATION, AND AN ADAPTER MEANS THEREFOR WHICH INCLUDES A PLURALITY OF PANEL MEMBERS, EACH WITH A BOTTOM FLANGE WHICH IS SNAPINGLY SECURED INTO A LATERAL CHANNEL UPPER EXTENSION OF AN INVERTED T-BAR MEMBER IN THE AIR BAR, AN UPPER FLANGE WHICH IS SECURED TO THE ASSOCIATED OUTLET WALL OF THE PLENUM CHAMBER, AND MIDDLE PORTION WHICH PROVIDES ONE SIDE OF AN AIR DIRECTING THROAT TO DIRECT FLOW OF AIR FROM THE CHAMBER THROUGH THE AIR BAR AND INTO THE ROOM BELOW. THE PANEL MEMBERS MAY BE LOCATED IN OPPOSED PAIRS IN LONGITUDINAL ARRAY WITH SPACES BETWEEN SELECTED ADJACENT PANEL MEMBER PAIRS WITH BLANK-OFF MEMBERS AND END-CLOSING MEMBERS THEREBETWEEN TO CLOSE THE OUTLET OF THE AIR PLENUM CHAMBER TO THE AIR BAR WHILE OPENING THE AIR BAR TO THE ATTIC SPACE ETWEEN THE SOFFIT AND THE SUSPENDED CEILING TO DIVIDE THE AIR BAR INTO SUPPLY SECTIONS AND RETURN SECTIONS. THE PANEL MEMBERS, BLANK-OFF MEMBERS AND END CLOSING MEMBERS ARE EASILY REMOVED AND REPLACED TO PERMIT THE INTERCHANGING OF SUPPLY SECTIONS AND RETURN SECTIONS TO GIVE THE GREATEST POSSIBLE FLEXIBILITY TO THE VENTILATING SYSTEM.

Inventors

  • 👤 R Lambert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 14:30
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/072; E; E04; E04B; E04B9/00; E04B9/02; E04B2009/026

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1977-09-23 1978-03-25 1978-09-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-09-23 1982-03-25 1982-09-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-09-23 1986-03-25 1986-09-24 $7700.00 Window Closed / Lapsed

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