Patent
   D289915
Priority
Jun 13 1984
Filed
Jun 13 1984
Issued
May 19 1987
Expiry
May 19 2001
Assg.orig
Entity
unknown
6
11
n/a
The ornamental design of a rotary valve shaft, as shown and described.

FIG. 1 is a top plan view of a rotary valve shaft showing my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a front elevational view thereof, the rear being a mirror image of the front shown;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a right end elevational view thereof; and

FIG. 6 is a cross sectional view taken on line 6--6 of FIG. 1.

Ferrer Beltran, Jose M.

Patent Priority Assignee Title
10794495, May 23 2015 Power-driven gate valve
6595177, Feb 27 2002 KRAMAR, PAUL Rotary sleeve port for an internal combustion engine
D399921, Nov 13 1996 Campbell Manufacturing, LLC Valve flow diffuser
D594530, Nov 28 2005 Campbell Manufacturing, LLC Check valve with contoured body
D776793, Jan 29 2015 VAZTEC ENGINE VENTURE, LLC Rotary valve
D854919, May 13 2016 Combined rotatable gate valve shaft with coupler
Patent Priority Assignee Title
2766962,
3174212,
3542336,
3971402, Apr 21 1975 Rotary valve assembly
4206778, Jan 15 1979 Rotary valve assembly having a dual purpose valve element
4270732, Sep 17 1979 Fluid control valve
4275868, May 09 1977 FRANKE CONSUMER PRODUCTS, INC Valve with body and stem of plastic material
4577656, Jun 13 1984 Valve
240625,
D253716, Aug 08 1977 STANCHART BUSINESS CREDIT INC ADELAWARE CORPORATION Valve spool
D256947, Jun 13 1978 California Screw Corporation Control shaft for a valve
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