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Patent
D283538
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Priority
Jul 20 1983
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Filed
Jul 20 1983
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Issued
Apr 22 1986
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Expiry
Apr 22 2000
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Assg.orig
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Entity
unknown
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0
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10
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n/a
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The ornamental design for a filter bag tensioning spacer, as shown and described.
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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, |
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2959247, |
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2981368, |
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3277634, |
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3881673, |
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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 |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 18 1983 | MACE, ROBERT E | STANDARD HAVENS, INC , A CORP OF MO | ASSIGNMENT OF ASSIGNORS INTEREST | 004156 | /0578 |
pdf |
Jul 20 1983 | | Standard Havens, Inc. | (assignment on the face of the patent) | | / |
Jan 12 1987 | STANDARD 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 PATENTS | 004654 | /0209 |
pdf |
Feb 18 1997 | BHA Group, Inc | BHA GROUP HOLDINGS, INC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 008639 | /0666 |
pdf |
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Maintenance Fee Events |
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