Spiral binding apparatus

- Unicoil, Inc.
Description

FIG. 1 is a perspective view of a spiral binding apparatus showing our new design;

FIG. 2 is a front elevation view of one side thereof;

FIG. 3 is a back elevation view of one side thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a side elevation view of one side thereof; and,

FIG. 7 is a side elevation view of the opposite side thereof.

Referenced Cited
U.S. Patent Documents
D192265 February 1962 Crowle
D246204 October 25, 1977 Balmer et al.
3122761 March 1964 Bouvier
3153966 October 1964 Frederick et al.
3227023 January 1966 Bouvier
3367649 February 1968 Thomas et al.
3427914 February 1969 Staats et al.
3459074 August 1969 Pfaffle
3459242 August 1969 Schmidt
3467150 September 1969 Ostermeier
3486537 December 1969 Sickinger
3592242 March 1971 Sickinger
3793660 February 1974 Sims
3818954 June 1974 Pfaffle
3826290 July 1974 Pfaffle
3924664 December 1975 Pfaffle
3972109 August 3, 1976 Sickinger
4129156 December 12, 1978 Pfaffle
4129913 December 19, 1978 Pfaffle
4143686 March 13, 1979 Sickinger et al.
4185668 January 29, 1980 Harbert
4208750 June 24, 1980 Pfaffle
4249278 February 10, 1981 Pfaffle
4378822 April 5, 1983 Morris
4518296 May 21, 1985 Pearson et al.
5073076 December 17, 1991 Packhill et al.
5213462 May 25, 1993 Loibl
5226771 July 13, 1993 Gardner
Foreign Patent Documents
717238 September 1965 CAX
806461 February 1969 CAX
Patent History
Patent number: D365580
Type: Grant
Filed: Oct 11, 1994
Date of Patent: Dec 26, 1995
Assignee: Unicoil, Inc. (Norcross, GA)
Inventors: William P. Stiles (Bothell, WA), Sean M. MacLeod (Renton, WA), Michael D. Nelson (Seattle, WA), Mark E. Hastings (Mukilteo, WA), David A. Herrin (Seattle, WA)
Primary Examiner: Antoine Duval Davis
Law Firm: Christensen, O'Connor, Johnson & Kindness
Application Number: 0/29,606