Collar screw

- Mikalor, S.A.
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Description

FIG. 1 is a front elevation view of a collar screw showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
2091788 August 1937 McManus
2993124 February 1961 Ouimet
3304561 February 1967 Ellsworth
4238165 December 9, 1980 Wagner
5050275 September 24, 1991 Schroer et al.
5560087 October 1, 1996 Marques
Foreign Patent Documents
20/6399 October 1971 DEX
Other references
  • Fastener Standards, 5th ed; p. A-29; Hex Flange Screw .COPYRGT.1970.
Patent History
Patent number: D390451
Type: Grant
Filed: Feb 10, 1997
Date of Patent: Feb 10, 1998
Assignee: Mikalor, S.A. (Sabadell)
Inventor: Ramon Palau Dominguez (Sabadell)
Primary Examiner: B. J. Bullock
Law Firm: Dennison, Meserole, Pollack & Scheiner
Application Number: 0/67,289
Classifications
Current U.S. Class: D/8387
International Classification: 0808;