Patent
   D304592
Priority
Apr 09 1987
Filed
Apr 09 1987
Issued
Nov 14 1989
Expiry
Nov 14 2003
Assg.orig
Entity
unknown
3
2
n/a
The ornamental design for a protective cover for a rotatable turret assembly and objectives of an inverted microscope, as shown and described.

FIG. 1 is a top perspective view of a protective cover for a rotatable turret assembly and objectives of an inverted microscope, showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a side view of the protective cover taken in the direction indicated by line 3--3 of FIG. 1; and

FIG. 4 is a side view thereof taken in the direction of line 4--4 of FIG. 1 .

Hoogesteger, Paul A.

Patent Priority Assignee Title
D669511, Mar 25 2011 Leica Microsystems CMS GmbH Optical filter wheel for a microscope
D673200, Mar 25 2011 Leica Microsystems CMS GmbH Optical filter wheel for a microscope
D755915, Oct 07 2014 Optical diffraction alignment lens
Patent Priority Assignee Title
2285658,
4385812, Feb 02 1981 JOHNSON & JOHNSON MEDICAL, INC , A NJ CORP Objective lens cover assembly for an operating microscope
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 06 1987HOOGESTEGER, PAUL A BAUSCH & LOMB INCORPORATED, A CORP OF NYASSIGNMENT OF ASSIGNORS INTEREST 0047140044 pdf
Apr 09 1987Cambridge Instruments, Inc.(assignment on the face of the patent)
Dec 09 1987Bausch & Lomb IncorporatedCAMBRIDGE INSTRUMENTS INC , A DEL CORP ASSIGNMENT OF ASSIGNORS INTEREST 0048920019 pdf
Dec 09 1987BAUSCH & LOMB INCORPORATED, A NY CORP CAMBRIDGE INSTRUMENTS INC , A DE CORP ASSIGNMENT OF ASSIGNORS INTEREST 0048970289 pdf
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