Title:
Pipe coupling socket
United States Patent D442267


Inventors:
Kouda, Toru (Tokyo, JP)
Application Number:
29/129411
Publication Date:
05/15/2001
Filing Date:
09/15/2000
Assignee:
Nitto Kohki Co., Ltd. (Tokyo, JP)
Primary Class:
Other Classes:
D23/233
Field of Search:
D23/233-6, D23/262, 285/275, 285/277, 285/83, 137/614.04, 137/149.6
View Patent Images:
US Patent References:
6129334Pipe coupling socketOctober, 2000Kuwabara251/149.1
D413967Coupling and nut assembly for a fluid purification systemSeptember, 1999YuenD23/262
D412738Socket of pipe couplingAugust, 1999KuwabaraD23/233
D406881Socket of pipe couplingMarch, 1999KuwabaraD23/262
D333511Pipe couplerFebruary, 1993Mikiya et al.D23/262
3423063VALVED SAFETY SPEED COUPLERJanuary, 1969German



Primary Examiner:
Taylor, Robin V.
Attorney, Agent or Firm:
Wenderoth, Lind & Ponack, L.L.P.
Claims:
1. The ornamental design for pipe coupling socket, as shown and described.bara Weiss, executrix

Description:

FIG. 1 is a perspective view taken from the top, front and left side of a pipe coupling socket showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a front elevational view of a coupling socket in the state when plug is connected;

FIG. 9 is a front elevational view of a coupling socket in the state when plug is connected and the outer sleeve is slid; and,

FIG. 10 is a front elevational view of a coupling socket in the state when plug is connected and an inner sleeve is turned and the outer sleeve is locked.

The broken line showing in FIGS. 8-10 is for illustrative purposes only and forms no part of the claimed design.