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US3714765A Expired / Lapsed US ⏱️ 0.0 years remaining

Wall-mounted vacuum cleaner

Assignee: CENTRAL VAC INT Inc
•
Filing: 1970-10-19
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Granted: 1973-02-06
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Expires: 1990-10-19
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Abstract

Abstract A CENTRAL POWER AND COLLECTOR UNIT FOR A WALL-MOUNTED, BUILT-IN VACUUM CLEANER COMPRISING A CASE TO BE ENGAGED IN AN OPENING IN A WALL STRUCTURE AND DEFINING A POWER CHAMBER AND A COLLECTOR CHAMBER, SAID CASE HAVING A MOUNTING FLANGE ABOUT ITS PERIMETER TO ENGAGE AND TO BE FIXED TO THE FRONT SURFACE OF THE WALL STRUCTURE ABOUT SAID OPENING THEREIN, SAID CASE HAVING INLET AND OUTLET PORTS IN ITS SIDES TO CONNECT WITH INLET AND EXHAUST DUCTS WITHIN THE WALL STRUCTURE AND SPACED A DISTANCE NOT LESS THAN 3/4" OR GREATER THAN 4 3/8" REARWARD OF THE FLANGE, SAID UNIT HAVING AN AIR INLET TUBE EXTENDING FROM THE POWER CHAMBER INTO THE COLLECTOR CHAMBER AND AN OUTLET PORT COMMUNICATING BETWEEN THE COLLECTOR CHAMBER AND A POWER DRIVEN BLOWER IN THE POWER CHAMBER, A FILTER BAG IN THE COLLECTOR CHAMBER AND HAVING AN OPENING RECEIVING THE INLET TUBE, AN AIR CONDUCTING ORIENTING PAD IN THE COLLECTOR CHAMBER OVERLYING THE OUTLET PORT AND HAVING AN AIR CONDUCTING INNER SURFACE ENGAGING THE BAG TO HOLD SAID BAG CENTRALLY IN ITS RELATED CHAMBER IN SPACED RELATIONSHIP FROM THE SIDES OF THE CHAMBER AND HAVING AIR CONDUCTING SIDES COMMUNICATING WITH THE SPACE BETWEEN THE SIDES OF THE CHAMBER AND BAG. D R A W I N G

Inventors

  • 👤 C Simonelli

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 07:54
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/38

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) 1976-02-06 1976-08-07 1977-02-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-02-06 1980-08-07 1981-02-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-02-06 1984-08-07 1985-02-06 $7700.00 Window Closed / Lapsed

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