Patent
   D307284
Priority
Jan 27 1988
Filed
Jul 20 1988
Issued
Apr 17 1990
Expiry
Apr 17 2004
Assg.orig
Entity
unknown
8
4
n/a
The ornamental design for a portable spectrophotometer, as shown and described.

FIG. 1 is a perspective view of a portable spectrophotometer, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a sectional view taken on line 6--6 of FIG. 2.

Del Corno, Marco, Zeni, Sergio

Patent Priority Assignee Title
7292153, Dec 16 2005 System and method for determining a vehicle driver's blood/alcohol level
D358347, Dec 19 1993 Electronic Instrumentation and Technology, Inc. Ulraviolet intensity meter
D691496, Nov 07 2012 MITSUBISHI HEAVY INDUSTRIES, LTD Radiation detector
D718643, Jun 18 2013 NUCARE USA INC PDA-based portable radiation measurement system
D724216, Nov 18 2013 AMERICAN SCIENCE AND ENGINEERING, INC Handheld backscatter imager
D799345, Dec 22 2015 Sintokogio, Ltd.; Sintokogio, Ltd Residual stress measuring device
D885941, Jun 26 2018 Hilti Aktiengesellschaft Ground penetrating radar
ER5719,
Patent Priority Assignee Title
3878394,
162750,
175284,
D254395, Apr 17 1978 Steven Manufacturing Company Flashlight
////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 20 1988Maxmeyer-Duco MM.D. S.p.A.(assignment on the face of the patent)
Aug 02 1988DEL CORNO, MARCOMAXMEYER-DUCO MM D S P A , VIA COMASINA, 121 - 20161 MILANOASSIGNMENT OF ASSIGNORS INTEREST 0049530628 pdf
Oct 29 1993MAXMEYER DUCO S P A MAXMEYER CAR S R L ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0092070265 pdf
Dec 18 1996MAXMEYER CAR S R L MAXMEYER DUCO S P A MERGER SEE DOCUMENT FOR DETAILS 0092070301 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule