Connecting block

- AT&T
Description

FIG. 1 is a top, front and left side perspective view of a connecting block showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top, front and left side perspective view of a connecting block showing a second embodiment of our new design with the sliding door in the open position;

FIG. 9 is a perspective view thereof with the sliding door in the closed position;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a right side elevational view thereof;

FIG. 12 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D258577 March 17, 1981 Bottner
4103985 August 1, 1978 Krolak et al.
4188505 February 12, 1980 O'Connor
4303296 December 1, 1981 Spaulding
Other references
  • Western Electric Connecting Block on p. 15 of Tech. Digest No. 63, Jul. 1981. Telephon Protector Closure on p. 74 of Telephony, 2-10-86. Maintenance Terminating Units on p. 90 of Telephony, 3-6-86. ROVA Surface Jacks on p. 63 of Telephony, 11-10-86.
Patent History
Patent number: D312070
Type: Grant
Filed: Mar 14, 1988
Date of Patent: Nov 13, 1990
Assignee: AT&T Bell Laboratories (Murray Hill, NJ)
Inventors: James M. Benjamin (Indianapolis, IN), Chris G. Johnson (New York, NY), Kristin E. Olson (New York, NY), William T. Spitz (Indianapolis, IN)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Joel Sincavage
Attorney: Michael A. Morra
Application Number: 7/169,181