Security screw

Description

FIG. 1 is a perspective view of a first screw in accordance with the new design;

FIG. 2 is a top view;

FIG. 3 is a side view;

FIG. 4 is a sectional view along line 4--4 of FIG. 3;

FIG. 5 is a perspective view of a second screw in accordance with the new design;

FIG. 6 is a top view;

FIG. 7 is a side view;

FIG. 8 is a sectional view along line 8--8 of FIG. 7;

FIG. 9 is a perspective view of a third screw in accordance with the new design;

FIG. 10 is a top view;

FIG. 11 is a side view;

FIG. 12 is a sectional view along line 12--12 of FIG. 11;

FIG. 13 is a perspective view of a fourth screw in accordance with the new design;

FIG. 14 is a top view;

FIG. 15 is a side view;

FIG. 16 is a sectional view along line 16--16 of FIG. 15;

FIG. 17 is a perspective view of a fifth screw in accordance with the new design;

FIG. 18 is a top view;

FIG. 19 is a side view;

FIG. 20 is a sectional view along line 20--20 of FIG. 19;

FIG. 21 is a perspective view of a sixth screw in accordance with the new design;

FIG. 22 is a top view;

FIG. 23 is a side view;

FIG. 24 is a sectional view along line 24--24 of FIG. 23;

FIG. 25 is a perspective view of a seventh screw in accordance with the new design;

FIG. 26 is a top view;

FIG. 27 is a side view;

FIG. 28 is a sectional view along line 28--28 of FIG. 27;

FIG. 29 is a perspective view of an eighth screw in accordance with the new design;

FIG. 30 is a top view;

FIG. 31 is a side view; and,

FIG. 32 is a sectional view along line 32--32 of FIG. 31.

Claims

The ornamental design for a security screw, as shown and described.

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Inventors:	Negishi; Shigeo (Tokyo, JP), Kanemaru; Shigeru (Tokyo, JP)
Assignee:	Mampay Screw Works Ltd (Tokyo, JP)
Appl. No.:	D/088,587
Filed:	May 28, 1998

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Foreign Application Priority Data

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Dec 4, 1997 [AU]			3972/97

Current U.S. Class:	D8/387
Current International Class:	0808
Field of Search:	;D8/387 ;411/378,411,166,178,184,188,911,427

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References Cited [Referenced By]

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U.S. Patent Documents

D285651	September 1986	Iwats et al.
3498173	March 1970	Wright
4459074	July 1984	Capuano

Other References

Central Screw company, p. 90, screws, Jul. 1948..

Primary Examiner: Baynham; Holly
Attorney, Agent or Firm: Dennison, Meserole, Scheiner & Schultz