Thumbscrew
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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
Other references
D203947 | March 1966 | Pick |
4394097 | July 19, 1983 | Horlacher |
5451116 | September 19, 1995 | Czachor et al. |
D370624 | June 11, 1996 | DiBiagio |
- “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
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;
International Classification: 0808;