Openable ring

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Description

FIG. 1 is a front elevational view of an openable ring showing my new design, with a portion of the lower section partially broken away for convenience of illustration;

FIG. 2 is a front elevational view with the opening section pivoted to an alternate position;

FIG. 3 is a side elevational view from the left of FIG. 1;

FIG. 4 is a perspective fragmentary view of the opening segment in an exploded condition; and

FIG. 5 is a front elevational fragmentary view of the opening segment in an exploded condition.

Referenced Cited
U.S. Patent Documents
D178862 October 1956 Blod
D758685 June 7, 2016 Boye
2711555 June 1955 Hauson
3315297 April 1967 Bender
4308637 January 5, 1982 Kucera
Other references
  • Ginn's Office Supply Catalog.RTM., 1984, p. 254, see loose leaf book ring, lower left Desk Copy.
Patent History
Patent number: D317177
Type: Grant
Filed: May 13, 1987
Date of Patent: May 28, 1991
Inventor: Luis Wandemberg-Boschetti (Quito)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Law Firm: Ladas & Parry
Application Number: 7/49,684