April 1952 Nonmetallic building materials Trademarks by day
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Nonmetallic building materials Trademarks filed in April 1952
VO HURO

VO HURO

Filed: April 30, 1952
OOLITIC LIMESTONE AND BUILDING STONE IN UNFINISHED STATE
Owned by: VICTOR OOLITIC STONE COMPANY
Serial Number: 71628972

NATIONAL HOMES

NATIONAL HOMES

Filed: April 23, 1952
PREFABRICATED HOUSES
Owned by: NATIONAL HOMES CORPORATION
Serial Number: 71628550

HYDROPERM

HYDROPERM

Filed: April 18, 1952
METAL CASTING PLASTER
Owned by: UNITED STATES GYPSUM COMPANY
Serial Number: 71628310

"NOR=CARLA BLUESTONE"

Filed: April 16, 1952
FINISHED FLAGSTONE AND BUILDING STONE
Owned by: JACOB'S CREEK STONE COMPANY, INC.
Serial Number: 71628341

CELOTONE

CELOTONE

Filed: April 5, 1952
DECORATIVE TILE USED FOR ACOUSTICAL CORRECTION
Owned by: BPB MANUFACTURING, INC.
Serial Number: 71627624

HELSKOTE

HELSKOTE

Filed: April 3, 1952
REFRACTORY MIXTURE FOR COATING INGOT MOULD STOOLS
Owned by: MEXICO REFRACTORIES COMPANY
Serial Number: 71627519