Patent
   D270957
Priority
Nov 08 1982
Filed
Nov 08 1982
Issued
Oct 11 1983
Expiry
Oct 11 1997
Assg.orig
Entity
unknown
6
7
n/a
The ornamental design for a respirator, as shown.

FIG. 1 is a front elevational view of the respirator embodying our new design;

FIG. 2 illustrates the respirator in rear perspective;

FIG. 3 is a view of one side of the respirator, the opposite side being of substantially the same appearance;

FIG. 4 is a top plan view of the respirator; and

FIG. 5 is a view of the bottom of the respirator.

Maryyanek, Richard D., Zdrok, Joseph Z.

Patent Priority Assignee Title
D339658, May 02 1991 Air-Ace Oy Respirator
D385960, Jul 11 1996 Hans Rudolph, Inc.; Hans Rudolph, Inc Nasal mask
D778430, Nov 15 2013 3M Innovative Properties Company Filter cartridge
D807509, Jul 06 2016 SleepNet Corporation Replaceable filter element
D819194, Jun 01 2016 K670 GmbH Breathing mask for physical exercise
D868960, Oct 22 2018 JINFUYU INDUSTRIAL CO., LTD. Mask
Patent Priority Assignee Title
2106795,
2578007,
2845927,
3249108,
3521630,
4004584, Jul 28 1975 Alleraid Company, Inc. Facially-worn breathing filter
57528,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 01 1982MARYYANEK, RICHARD D American Optical CorporationASSIGNMENT OF ASSIGNORS INTEREST 0040670511 pdf
Nov 01 1982ZDROK, JOSEPH Z American Optical CorporationASSIGNMENT OF ASSIGNORS INTEREST 0040670511 pdf
Nov 08 1982American Optical Corporation(assignment on the face of the patent)
May 27 1988RADIAC ABRASIVES WEST INC IRVING TRUST COMPANYSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0049180235 pdf
May 27 1988RADIAC ABRASIVES EAST INC IRVING TRUST COMPANYSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0049180235 pdf
May 27 1988American Optical CorporationIRVING TRUST COMPANYSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0049180235 pdf
Apr 06 1990American Optical CorporationAO, INC , A DE CORP ASSIGNMENT OF ASSIGNORS INTEREST 0052740156 pdf
Apr 13 1990BANK OF NEW YORK, THE FORMERLY KNOWN AS IRVING TRUST COMPANY American Optical CorporationRELEASED BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0055350035 pdf
Apr 13 1990BANK OF NEW YORK, THE FORMERLY KNOWN AS IRVING TRUST COMPANY RADIAC ABRASIVES EAST INC RELEASED BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0055350035 pdf
Apr 13 1990BANK OF NEW YORK, THE FORMERLY KNOWN AS IRVING TRUST COMPANY RADIAC ABRASIVES WEST INC RELEASED BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0055350035 pdf
May 15 1990AO, INC Cabot Safety CorporationASSIGNMENT OF ASSIGNORS INTEREST 0055350024 pdf
Jul 11 1995Cabot Safety Intermediate CorporationBankers Trust CompanySECURITY INTEREST SEE DOCUMENT FOR DETAILS 0075700516 pdf
Jul 11 1995Cabot Safety CorporationCabot Safety Intermediate CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0075700220 pdf
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