Window lock

- Truth Incorporated
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Description

FIG. 1 is a top, front, and left side perspective view of a window lock showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a top, front, and left side perspective view thereof, with the handle portion shown rotated to an alternate position.

Referenced Cited
U.S. Patent Documents
D209901 January 1968 Fredricksen
D211452 June 1968 Petrell
D295019 April 5, 1988 Bucson
D296982 August 2, 1988 White et al.
4095829 June 20, 1978 Van Klompenburg
Other references
  • Ironmonger Modern Hardware brochure, 1973, No. 8200, Sash Fastener. Copy of p. 15 of Truth Incorporated literature showing a Sash Lock in existence prior to Jan. 17, 1988. Copy of p. 19 of Truth Incorporated literature showing a Cam Lock in existence prior to Jan. 17, 1988.
Patent History
Patent number: D316509
Type: Grant
Filed: Jan 17, 1989
Date of Patent: Apr 30, 1991
Assignee: Truth Incorporated (Owatonna, MN)
Inventor: Douglas A. Nolte (Owatonna, MN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Wood, Phillips, Mason, Recktenwald & VanSanten
Application Number: 7/297,546
Classifications
Current U.S. Class: D/8337