Implement for activating and deactivating a telephone hook switch

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Description

FIG. 1 is a front, top and partial right side perspective view of an implement for activating and deactivating a telephone hook switch showing my new design;

FIG. 2 is a left side elevational view thereof, the side opposite being substantially a mirror image.

FIG. 3 is a rear elevational view thereof; and

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D230737 March 1974 Roof
D239179 March 1976 Haber
D269433 June 21, 1983 Stein et al.
D286775 November 18, 1986 Gudin
3027432 March 1962 Jordan et al.
3472966 October 1969 Simmons
3823277 July 1974 Rudolph
4079196 March 14, 1978 Spanel
4360714 November 23, 1982 Hellwig
Foreign Patent Documents
1394862 May 1972 GBX
178117 July 1923 GBX
0124162 July 1985 JPX
Other references
  • Telephony, vol. 73, Nov. 3, 1917, p. 44; S. Carlson Battery Cover Attachment at FIGS. 1-3. Telephony, vol. 70, No. 16, p. 44, 4/15/1916: S. R. Automatic Battery Cut Out.
Patent History
Patent number: D291803
Type: Grant
Filed: Jul 18, 1985
Date of Patent: Sep 8, 1987
Inventor: Robert D. Mantell (Los Angeles, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay
Attorney: Herb Boswell
Application Number: 6/756,242
Classifications
Current U.S. Class: D14/59; Hookswitch Operator (379/448)