Patent
   D339658
Priority
May 02 1991
Filed
Oct 30 1991
Issued
Sep 21 1993
Expiry
Sep 21 2007
Assg.orig
Entity
unknown
32
11
n/a
The ornamental design for a respirator, as shown and described.

FIG. 1 is a front elevational view of a respirator or similar article showing our design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left end view thereof;

FIG. 4 is a right end view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a front perspective view thereof.

Teittinen, Jouni, Lahteenmaki, Reino

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Patent Priority Assignee Title
3902485,
3911413,
4155358, Dec 13 1976 Minnesota Mining and Manufacturing Company Respirator
4873970, Apr 22 1986 Auergesellschaft GmbH Warning device to indicate the state of gases exhaustion of a gas filter retaining dangerous gases
4886058, May 17 1988 Minnesota Mining and Manufacturing Company; MINNESOTA MINING AND MANUFACTURING COMPANY, A CORP OF DE Filter element
4981134, Jan 16 1990 Filtering face mask with inhalation/exhalation check valves
D270957, Nov 08 1982 Cabot Safety Intermediate Corporation Respirator
EP258508,
FI52929,
FI833000,
GB1575813,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 17 1991LAHTEENMAKI, REINOAIR-ACE OY A CORP OF FINLANDASSIGNMENT OF ASSIGNORS INTEREST 0059020475 pdf
Oct 17 1991TEITTINEN, JOUNIAIR-ACE OY A CORP OF FINLANDASSIGNMENT OF ASSIGNORS INTEREST 0059020475 pdf
Oct 30 1991Air-Ace Oy(assignment on the face of the patent)
Oct 30 1997Air-Ace OyAir-Ace OyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0089330828 pdf
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