Patent
   D620104
Priority
Nov 25 1996
Filed
Nov 25 1996
Issued
Jul 20 2010
Expiry
Jul 20 2024
Assg.orig
Entity
unknown
33
26
n/a
The ornamental design for personal respiratory protection device, as shown and described.

FIG. 1 is a perspective view of a personal respiratory protection device, showing our new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a top plan view thereof, the bottom plan being a mirror image; and,

FIG. 5 is a right side elevational view thereof, the left side being a mirror image.

The shading shown in the drawings is provided merely to highlight the contour of the design; it is not intended to be illustrative of texture.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.

Curran, Desmond T., Henderson, Christopher P., Bryant, John W.

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D982155, Sep 10 2021 VITACORE INDUSTRIES INC Respirator with shield
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ER2698,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 25 19963M Innovative Properties Company(assignment on the face of the patent)
Jan 15 1997CURRAN, DESMOND T Minnesota Mining and Manufacturing CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0084190513 pdf
Feb 06 1997BRYANT, JOHN W Minnesota Mining and Manufacturing CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0084190513 pdf
Feb 06 1997HENDERSON, CHRISTOPHER P Minnesota Mining and Manufacturing CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0084190513 pdf
Apr 05 1999Minnesota Mining and Manufacturing Company3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0099660976 pdf
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