Pipe coupling
United States Patent D623277

Guzzoni, Paolo (Brescia, IT)
Bordignon, Michele (Brescia, IT)
Application Number:
Publication Date:
Filing Date:
Teseo S.r.l. (Desenzano Del Garda, Brescia, IT)
Primary Class:
International Classes:
(IPC1-7): 2301
Field of Search:
222/554, 285/331, 138/91, 222/552, 174/665, 285/256, 222/546, 285/139.1, 285/423, 285/242, 285/148.23, 4/295, 138/89, 222/563, D23/259-269, 285/148.18, 220/288, 4/286-287, 217/110, 285/921, 285/251, 285/353
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US Patent References:
20070236010Connector for corrugated conduitOctober, 2007Campau285/242
6732762Pressure-containing plug for a tubular passagewayMay, 2004Russell138/89
20030014855Device for connecting and blocking hollow elements for the formation of fluid distribution plantsJanuary, 2003Guzzoni29/525.01
6179349Modular pipeline connectorJanuary, 2001Guzzoni285/370
D430482Sleeve couplingSeptember, 2000Stout, Jr.D8/382
4846147Chimney liner systemJuly, 1989Townsend et al.126/307R
4726612Pipe connecting deviceFebruary, 1988Picton285/256
D291482Pipe couplingAugust, 1987Vassallo et al.D23/262
4262715Decorticating drum with selective processing modeApril, 1981Hausler et al.144/208.9
D234462N/AMarch, 1975AhlrotD23/262
3678560INTERNAL PIPE SEALING SYSTEMJuly, 1972Dufour et al.29/235
3669473FLEXIBLE COUPLINGJune, 1972Martin et al.285/197
2198996CouplingApril, 1940Guarnaschelli285/254
1352118N/ASeptember, 1920Duw285/417
D020236N/AOctober, 1890KellyD23/262

Primary Examiner:
Nelson, Chase T.
Assistant Examiner:
Goodman, Eric L.
Attorney, Agent or Firm:
Shoemaker and Mattare

1. The ornamental design for a pipe coupling, as shown and described.


FIG. 1 is a left side elevational view of a pipe coupling, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof; the rear elevational view being identical;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a perspective view thereof, from the top, front and left side; and,

FIG. 7 is a perspective view thereof, from the bottom, rear and right side.