Level sensing switch

Gaalswyk May 29, 1

Patent Grant D308193

U.S. patent number D308,193 [Application Number 07/044,570] was granted by the patent office on 1990-05-29 for level sensing switch. Invention is credited to Mark K. Gaalswyk.


United States Patent D308,193
Gaalswyk May 29, 1990

Level sensing switch

Claims

The ornamental design for a level sensing switch, as shown and described.
Inventors: Gaalswyk; Mark K. (Welcome, MN)
Appl. No.: 07/044,570
Filed: May 1, 1987

Current U.S. Class: D13/158
Field of Search: ;D13/32,33,40 ;200/61.2,61.21,DIG.15 ;220/3.2,3.3 ;174/50,65R,66

References Cited [Referenced By]

U.S. Patent Documents
3941956 March 1976 Delin et al.
4392032 July 1983 Roach, II
4695685 September 1987 Fleckenstein et al.
Foreign Patent Documents
0102877 Jan 1938 AU

Other References

Signal Conditioners on p. 301 of New Equipment Design, 3-85..

Primary Examiner: Lucas; Susan J.
Assistant Examiner: Sincavage; Joel
Attorney, Agent or Firm: Henderson & Sturm

Description



FIG. 1 is a perspective view of a level sensing switch showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and

FIG. 8 is a perspective view of a second embodiment of the level sensing switch showing the sensing probe extending from the bottom thereof. The broken line showing is for illustrative purposes only and forms no part of the claimed design;

FIG. 9 is a rear elevational view thereof.

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