Patent
   D273013
Priority
May 20 1981
Filed
Nov 20 1981
Issued
Mar 13 1984
Expiry
Mar 13 1998
Assg.orig
Entity
unknown
5
10
n/a
The ornamental design for an electric flash unit, as shown and described.

FIG. 1 is a front elevational view of an electronic flash unit showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof.

Takematsu, Yoshiyuki

Patent Priority Assignee Title
D453351, Sep 18 2000 Hoya Corporation Strobe
D570395, Jul 27 2006 Sony Corporation Lighting device for camera
D701553, Jun 28 2012 Samsung Electronics Co., Ltd. Flash for digital camera
D714375, May 28 2012 Nikon Corporation Electronic flash device
D714853, Mar 15 2012 Nikon Corporation Electronic flash device
Patent Priority Assignee Title
4078240, Aug 19 1975 West Electric Company, Ltd. Photographic flash device
4190880, Jul 27 1977 West Electric Company, Ltd. Photographic flash device
4233648, May 19 1978 Patent-Treuhand-Gesellschaft Adjustable direct and bounce photoflash unit
4251854, Sep 13 1978 Matsushita Electric Industrial Co., Ltd.; West Electric Company, Ltd. Light angle indicator of photographic flash
4276579, Jul 04 1978 West Electric Co., Ltd. Photographic flash device
4333127, Oct 18 1979 U.S. Philips Corporation Electronic flashgun
233257,
241273,
D250475, Sep 07 1976 Canon Kabushiki Adjustable head electronic flash unit
D263720, Dec 17 1978 Electric flash device for camera
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 09 1981TAKEMATSU, YOSHIYUKIFuji Koeki CorporationASSIGNMENT OF 1 2 OF ASSIGNORS INTEREST0040050883 pdf
Nov 20 1981Fuji Koeko Corporation(assignment on the face of the patent)
Mar 10 1997FUJI KOEKI CORPORATION BY JAPANESE COURT-APPOINTED LIQUIDATOR EIJI KATAYAMATAKEMATSU, YOSHIYUKIASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0084420309 pdf
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