Scissors lock-out clamp

Description

FIG. 1 is a front, top and left end perspective view of a scissors lockout clamp showing my new design in use, the portion of the figure shown in broken lines representing a valve, lock cable and padlock and forming no part of the claimed design;

FIG. 2 is a front, top and right end perspective view thereof showing the design in an open position;

FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a right end elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

FIGS. 1 and 3 through 7 show the design in a closed position.

Referenced Cited
U.S. Patent Documents
D303349 September 12, 1989 Weinerman et al.
351063 October 1886 McCormick
2190661 February 1940 Hauer
3841118 October 1974 Stone
3889497 June 1975 Tuttle
3987653 October 26, 1976 Lyon et al.
4068504 January 17, 1978 Pickard
4079872 March 21, 1978 Halter
4680948 July 21, 1987 Stewart
4845967 July 11, 1989 Evans et al.
5070712 December 10, 1991 Fox
5109683 May 5, 1992 Cartwright
Patent History
Patent number: D339057
Type: Grant
Filed: Dec 12, 1991
Date of Patent: Sep 7, 1993
Inventor: James A. Lofland (Milford, DE)
Primary Examiner: Brian N. Vinson
Attorney: Richard C. Litman
Application Number: 7/805,903
Classifications
Current U.S. Class: D/8343