Window sash fastener

- GKN Crompton Limited

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Description

FIG. 1 is a top plan view of a window sash fastener showing our new design;

FIG. 2 is a top plan view thereof, shown in unfastened position;

FIG. 3 is a vertical sectional view thereof, taken along line 3--3 of FIG. 1;

FIG. 4 is an end elevational view thereof, the opposite end being substantially similar in appearance;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a top, front perspective view thereof.

Referenced Cited
U.S. Patent Documents
D215080 September 1969 Ahlgren
D216454 January 1970 Campbell
D248617 July 25, 1978 Cavalucci
4095829 June 20, 1978 Van Klompenburg
Other references
  • Ironmonger Modern Hardware brochure, 1973, No. 8200, Sash Fastener.
Patent History
Patent number: D296982
Type: Grant
Filed: Feb 27, 1986
Date of Patent: Aug 2, 1988
Assignee: GKN Crompton Limited (Lancashire)
Inventors: Paul S. White (Barnsley), Arthur N. Searl (Parbold)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Marshall, O'Toole, Gerstein, Murray & Bicknell
Application Number: 6/836,597
Classifications
Current U.S. Class: D/8337