Patent
   D331581
Priority
Dec 12 1989
Filed
Jun 06 1990
Issued
Dec 08 1992
Expiry
Dec 08 2006
Assg.orig
Entity
unknown
1
5
n/a
The ornamental design for a magnetic tape cassette, as shown and described.

FIG. 1 is a top, front and right-side perspective view of a magnetic tape cassette, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right-side elevational view thereof, the left-side being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Tanaka, Masato, Kikutani, Fumitaka, Yanaka, Kiyotaka

Patent Priority Assignee Title
D799055, Dec 18 2015 Abbott Laboratories Smear tape cartridge
Patent Priority Assignee Title
3900172,
4372504, Oct 26 1979 Olympus Optical Co., Ltd. Magnetic record tape protective device for a tape cassette
D265195, Mar 02 1977 U.S. Philips Corporation Magnetic tape cassette
D293100, Dec 04 1984 Dictaphone Corporation Cassette
D303795, Jun 18 1987 Embassy Safety & Security Limited Video alarm cassette
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 31 1990TANAKA, MASATOSONY CORPORATION, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0053340058 pdf
May 31 1990YANAKA, KIYOTAKASONY CORPORATION, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0053340058 pdf
Jun 01 1990KIKUTANI, FUMITAKASONY CORPORATION, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0053340058 pdf
Jun 06 1990Sony Corporation(assignment on the face of the patent)
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