Gas separation – With means securing or retaining separating media – Unit or cohesive sheet-like media in flow line or frame
Reexamination Certificate
2008-01-22
2008-01-22
Lawrence, Frank (Department: 1724)
Gas separation
With means securing or retaining separating media
Unit or cohesive sheet-like media in flow line or frame
C055S502000, C055SDIG033, C055SDIG035, C128S202270, C128S206170
Reexamination Certificate
active
10977076
ABSTRACT:
A personal respiratory protection device10that comprises a mask body12that has a structure35located on it for receiving a clean air supply source such as a filter cartridge14. The clean air receiving structure35has a first threaded portion34. The clean air supply source has a second threaded portion58that has a thread60that mates with a thread36of the first threaded portion34. The first and second threaded portions34and58engage each other at a high thread pitch and include an integral détente. A stop prevents over-rotation of the clean air supply source14relative to the mask body12during the securement operation. The inventive device allows the clean air supply source14to be attached to the mask body12with minimal rotation and is sufficiently intuitive that users may only need one hand to attach and replace the clean air source component14without having to remove the respirator10from their face.
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Product Detail for GE SmartWater™ Household Water Filtration System obtained from internet on Oct. 27, 2004 at http://www.geappliances.com/smartwater/model—fs.htm?GXSV65F.
Product Detail for GE SmartWater™ Twist and Lock System obtained from internet on Oct. 27, 2004 at http://www.geappliances.com/smartwater/pop—twist—lock.htm.
Five photographs of the GE SmartWater™ system.
Five photographs of the GE SmartWater™ system, (2004).
Mittelstadt William A.
Pilgrim John M.
Clemente Robert A
Lawrence Frank
Wetzels Anna A.
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