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Patent
   D268947
Priority
Nov 24 1980
Filed
Nov 24 1980
Issued
May 10 1983
Expiry
May 10 1997
Inventors
Clements, …
Assg.orig
STANDARD H…
Assg.curr
BHA GROUP …
Entity
unknown
Referenced by
2
References
4
Maint.:
n/a
The ornamental design for a tensioning cap for a bag filter, as shown and described.

FIG. 1 is a side elevational view of a tensioning cap for a bag filter embodying the new design;

FIG. 2 is a top plan view of the tensioning cap; and

FIG. 3 is a bottom plan view of the tensioning cap.
INVENTORS:

Clements, Jack T.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D283537, Jul 20 1983 BHA GROUP HOLDINGS, INC Filter bag tensioning spacer
D283538, Jul 20 1983 BHA GROUP HOLDINGS, INC Filter bag tensioning spacer
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3710559,
3812660,
3832833,
4303424, Sep 08 1980 ABB ALSTOM POWER INC Filter bag apparatus having an improved fabric filter bag tensioning apparatus
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 06 1980CLEMENTS JACK T STANDARD HAVENS, INC ASSIGNMENT OF ASSIGNORS INTEREST 0038310138 pdf
Nov 24 1980Standard 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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