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Patent
   D245999
Priority
Feb 12 1975
Filed
Feb 12 1975
Issued
Oct 04 1977
Expiry
Oct 04 1991
Inventors
Moore, Fra…
Assg.orig
Norton Com…
Assg.curr
Norton Com…
Entity
unknown
Referenced by
18
References
3
Maint.:
n/a
The ornamental design for a support block for chemical tower packing as shown.

FIG. 1 is a perspective view of the block.

FIG. 2 is a side view of the block.
INVENTORS:

Moore, Frank D., Strigle, Jr., Ralph F.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
7246795, Jun 12 2002 Saint-Gobain Ceramics & Plastics, Inc. Ceramic packing element
9963372, Nov 14 2014 FSBL ACQUISITION, INC ; FOSBEL, INC Monolithic refractory crown and rider arches for glass furnace regenerators and glass furnace regenerators including the same
D381394, Jul 17 1995 Norton Chemical Process Products Corp. Mass transfer packing element
D542405, Sep 11 2006 Saint-Gobain Ceramics and Plastics, Inc. H-support block
D612906, Sep 20 2007 OMNIPURE FILTER COMPANY, INC Filter block for liquid filtration
D645538, Mar 25 2009 OMNIPURE FILTER COMPANY, INC Filter block for liquid filtration
D647595, Sep 20 2007 Omnipure Filter Company, Inc. Filter block for liquid filtration
D649201, Sep 03 2010 Play block
D753740, Jan 15 2015 FSBL ACQUISITION, INC ; FOSBEL, INC Monolithic rider arch for glass furance regenerator
D754225, Jan 15 2015 FSBL ACQUISITION, INC ; FOSBEL, INC Monolithic crown arch for glass furance regenerator
D809029, Dec 22 2015 Extruded structural building component for robotics
D818014, Dec 22 2015 Extruded structural building component for robotics
D945643, Nov 26 2019 ASURO CO , LTD Concrete building block
D953580, Dec 06 2019 ASURO CO , LTD Concrete building block
D963893, Dec 06 2019 ASURO Co., LTD. Concrete building block
D967985, Dec 06 2019 ASURO Co., LTD. Concrete building block
D968654, Apr 23 2020 ASURO Co., LTD. Concrete building block
D970047, Jun 05 2019 ASURO Co., LTD. Concrete building block
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2571958,
308577,
556040,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 12 1975Norton Company(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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