PTO Wrapper PDF
Dossier Espace Google
Patent
   D316893
Priority
Oct 26 1987
Filed
Oct 26 1987
Issued
May 14 1991
Expiry
May 14 2005
Inventors
Glodowski,…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
2
References
15
Maint.:
n/a
The ornamental design for a gate valve for irrigation pipe, as shown and described.

FIG. 1 is a perspective view taken from the top, front and left side of a gate valve for irrigation pipe showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof; and

FIG. 4 is a front elevational view thereof.
INVENTORS:

Glodowski, James J.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
8074962, Jul 22 2008 Rockler Companies, Inc. Dust collection blast gate with mount
D604828, Jul 22 2008 Rockler Comapnies, Inc. Dust collection adapter with blast gate
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1054103,
1054150,
1078271,
1754198,
1912765,
2449145,
2600499,
2913220,
3096072,
4007911, Apr 11 1974 The J. R. Clarkson Company Packingless gate valve and actuator assemblies
4026517, Mar 17 1976 STILL, ROBERT C Biasable seal for gate valves
4483509, Jun 21 1982 VCI CAPITAL, INC Guillotine valve assembly
838479,
233888,
D251603, Feb 27 1976 AB Svenska Flaktfabriken Slidable valve
ASSIGNMENT RECORDS    Assignment records on the USPTO
Executed onAssignorAssigneeConveyanceFrameReelDoc
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule