Patent
   D291593
Priority
Sep 11 1985
Filed
Sep 11 1985
Issued
Aug 25 1987
Expiry
Aug 25 2001
Assg.orig
Entity
unknown
2
5
n/a
The ornamental design for an air filtration unit housing for use with laser surgery, as shown and described.

FIG. 1 is a top perspective view of an air filtration housing for use with laser surgery showing my new design;

FIG. 2 is a front end elevation view thereof;

FIG. 3 is a rear end elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a bottom plan view thereof.

Robertson, Philip D.

Patent Priority Assignee Title
7441664, May 23 2003 Helen of Troy Limited Water treatment devices and cartridges therefor
D304612, Jan 12 1987 STACKHOUSE, INC Laser smoke particulate/odor filter unit for use in surgical environments
Patent Priority Assignee Title
2211407,
2585106,
4369776, Jan 05 1977 DERMASCAN, INC Dermatological ionizing vaporizer
4414037, Apr 28 1980 SCHULZE, HERBERT R Steam jet cleaning and sterilizing system
D248869, Jan 14 1977 Air purifier
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 04 1985ROBERTSON, PHILIP D XANAR, INC , A CORP OF CO ASSIGNMENT OF ASSIGNORS INTEREST 0044560032 pdf
Sep 11 1985Xanar, Inc.(assignment on the face of the patent)
Jan 20 1988XANAR, INC , A CA CORP Coherent, IncASSIGNMENT OF ASSIGNORS INTEREST 0049110653 pdf
Nov 07 2016Coherent, IncBARCLAYS BANK PLC, AS COLLATERAL AGENTNOTICE OF GRANT OF SECURITY INTEREST IN PATENTS0405750001 pdf
Jul 01 2022BARCLAYS BANK PLC, AS COLLATERAL AGENTCoherent, IncPATENT RELEASE AND REASSIGNMENT - RELEASE OF REEL FRAME 040575 00010605620650 pdf
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