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Patent
   D242930
Priority
Nov 12 1975
Filed
Nov 12 1975
Issued
Jan 04 1977
Expiry
Jan 04 1991
Inventors
Ronen, Shai
Assg.orig
Litton Bus…
Assg.curr
Litton Bus…
Entity
unknown
Referenced by
6
References
4
Maint.:
n/a
The ornamental design for a membrane switch assembly font, as shown and described.

FIG. 1 is a top plan view of a membrane switch assembly font showing my new design; and

FIG. 2 is a side elevation thereof.

The undisclosed bottom portion of the apertured membrane switch assembly font is plane and unornamented.
INVENTORS:

Ronen, Shai, Jackson, Joseph Monroe

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D277181, Mar 31 1982 AT & T TECHNOLOGIES, INC , Teleconferencing telephone set control panel
D278630, Dec 27 1982 AT & T TECHNOLOGIES, INC , Console faceplate for teleconferencing bridge
D351594, Jul 08 1993 Qwest Communications International Inc Mobile telephone handset
D652837, Apr 13 2011 MINEBEA CO , LTD Touch sensor type keyboard for computer
D652838, Apr 13 2011 MINEBEA CO , LTD Touch sensor type keyboard for computer
D733700, Jun 14 2013 Samsung Electronics Co., Ltd. Notebook computer
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3243517,
3286040,
3676607,
221282,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 12 1975Litton Business Telephone Systems, Inc.(assignment on the face of the patent)
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