Thumbscrew

- PEM Management, Inc.
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Description

FIG. 1 is a front elevational view of the fastener;

FIG. 2 is a top plan view;

FIG. 3 is a side elevational view; and,

FIG. 4 is bottom plan view thereof.

Claims

The ornamental design for a thumbscrew, as shown and described.

Referenced Cited
U.S. Patent Documents
D203947 March 1966 Pick
4394097 July 19, 1983 Horlacher
5451116 September 19, 1995 Czachor et al.
D370624 June 11, 1996 DiBiagio
Other references
  • “Original Engineered Products”; undated; pp. 4 and 5 Jan. 20, 1996.
  • “Electronic Hardware Corporation, Consumer Knobs”; undated; p. 8.
Patent History
Patent number: D478806
Type: Grant
Filed: Aug 5, 1997
Date of Patent: Aug 26, 2003
Assignee: PEM Management, Inc. (Wilmington, DE)
Inventors: William P. McDonough (Birdsboro, PA), Patrick D. Kelly (Philadelphia, PA)
Primary Examiner: Alan P. Douglas
Attorney, Agent or Law Firm: Gregory J. Gore
Application Number: 29/074,411
Classifications
Current U.S. Class: D8/387
International Classification: 0808;