Patent
   D329424
Priority
Nov 29 1990
Filed
Nov 29 1990
Issued
Sep 15 1992
Expiry
Sep 15 2006
Assg.orig
Entity
unknown
3
9
n/a
The ornamental design for a pneumatic actuator for an electrical switch, as shown and described.

FIG. 1 is a top plan view of a pneumatic actuator for an electrical switch showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image;

FIG. 3 is a right side elevational view thereof, the left side elevational view thereof being a mirror image; and,

FIG. 4 is a bottom plan view thereof.

Selig, Victor M., Niemczura, Raymond J., Davis, Karen A.

Patent Priority Assignee Title
D421966, May 29 1998 Lucent Technologies Inc Push button
D455405, Mar 15 2000 Moeller GmbH Double actuator for an electrical control device
D558154, Aug 25 2005 Microsoft Corporation Portion of an element of an electronic device
Patent Priority Assignee Title
2755132,
2779628,
2864367,
4496811, Apr 15 1983 Foot switch safety enclosure
219028,
D301332, Oct 28 1986 Cable Electric Products, Inc. Portable remote lighting control transmitter
31892,
69040,
86627,
/////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 26 1990NIEMCZURA, RAYMOND J Tridelta IndustriesASSIGNMENT OF ASSIGNORS INTEREST 0055340844 pdf
Nov 26 1990SELIG, VICTOR M Tridelta IndustriesASSIGNMENT OF ASSIGNORS INTEREST 0055340844 pdf
Nov 26 1990DAVIS, KAREN A Tridelta IndustriesASSIGNMENT OF ASSIGNORS INTEREST 0055340844 pdf
Nov 29 1990Tridelta Industries(assignment on the face of the patent)
Jun 24 1999TRIDELTA INDUSTRIES, INC Tecmark CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0100860381 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule