Patent
   D283538
Priority
Jul 20 1983
Filed
Jul 20 1983
Issued
Apr 22 1986
Expiry
Apr 22 2000
Assg.orig
Entity
unknown
0
10
n/a
The ornamental design for a filter bag tensioning spacer, as shown and described.

FIG. 1 is a perspective view of a filter bag tensioning spacer showing my new design;

FIG. 2 is a top plan view thereof, the bottom being a mirror image of the top shown;

FIG. 3 is a side elevational view thereof, the opposite side being a mirror image of the side shown; and

FIG. 4 is another side elevational view taken 90 degrees to the left of FIG. 3.

Mace, Robert E.

Patent Priority Assignee Title
Patent Priority Assignee Title
2014298,
2959247,
2981368,
3277634,
3881673,
4113455, Dec 21 1977 The Air Preheater Company, Inc. Bag tensioning arrangement
4303424, Sep 08 1980 ABB ALSTOM POWER INC Filter bag apparatus having an improved fabric filter bag tensioning apparatus
4364758, Aug 10 1981 BHA GROUP HOLDINGS, INC Self tensioning cap for bag filters
4396408, Jan 22 1982 BHA GROUP HOLDINGS, INC Method and apparatus for tensioning bag filters
D268947, Nov 24 1980 BHA GROUP HOLDINGS, INC Tensioning cap for a bag filter
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 18 1983MACE, ROBERT E STANDARD HAVENS, INC , A CORP OF MO ASSIGNMENT OF ASSIGNORS INTEREST 0041560578 pdf
Jul 20 1983Standard Havens, Inc.(assignment on the face of the patent)
Jan 12 1987STANDARD HAVENS, INC , A MO CORP BHA GROUP, INC , 8800 E 63RD STREET, KANSAS CITY, MISSOURI 64133, A CORP OF DE ASSIGNS NUNC PRO TUNC AS OF JULY 31, 1986 ALL RIGHT, TITLE AND INTEREST IN SAID PATENTS0046540209 pdf
Feb 18 1997BHA Group, IncBHA GROUP HOLDINGS, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0086390666 pdf
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