Piston for syringe

Sudo November 25, 2

Patent Grant D581528

U.S. patent number D581,528 [Application Number D/294,130] was granted by the patent office on 2008-11-25 for piston for syringe. This patent grant is currently assigned to Daikyo Seiko, Ltd.. Invention is credited to Masamichi Sudo.


United States Patent D581,528
Sudo November 25, 2008

Piston for syringe

Claims

CLAIM The ornamental design for a piston for syringe, as shown and described.
Inventors: Sudo; Masamichi (Sumida-ku, JP)
Assignee: Daikyo Seiko, Ltd. (Tokyo, JP)
Appl. No.: D/294,130
Filed: December 21, 2007

Foreign Application Priority Data

Jun 25, 2007 [JP] 2007-016926
Current U.S. Class: D24/130
Current International Class: 2402
Field of Search: ;D24/112,114,127-131 ;206/363-364,367 ;604/54,110,192,263,295

References Cited [Referenced By]

U.S. Patent Documents
D203730 February 1966 Coanda
D205269 July 1966 Gray
3807119 April 1974 Shields
3814941 June 1974 Czaplinski
4299238 November 1981 Baidwan et al.
D287053 December 1986 Bucchianeri et al.
4775364 October 1988 Alles
4934379 June 1990 Marzolf et al.
4966593 October 1990 Lennox
5885256 March 1999 Chern et al.
5894870 April 1999 Maxwell
5899883 May 1999 Chern et al.
D426884 June 2000 Srisathapat et al.
6511459 January 2003 Fago
6800071 October 2004 McConnell et al.
2002/0077598 June 2002 Yap et al.
2002/0082560 June 2002 Yang
2004/0039334 February 2004 Li
2007/0107204 May 2007 Brinkhues
Primary Examiner: Zarfas; Louis S
Assistant Examiner: Goodman; Eric L
Attorney, Agent or Firm: Chapman and Cutler LLP

Description



FIG. 1 is a perspective view of a piston for syringe showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational, right side elevational, and left side elevational views being identical thereto;

FIG. 3 is a top plan view thereof, the bottom plan view being identical thereto;

FIG. 4 is a sectional view thereof taken along line 4--4 of FIG. 3; and,

FIG. 5 is a perspective view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design.

* * * * *


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