Clayburn Trademarks

CLAYBURN
FIRED CLAY SHAPES
Expired  ·  December 2, 1970  ·  72377636  · 
CLAYBURN BEDDING MIX
Ramming mix
Cancelled  ·  February 17, 2015  ·  86536640  · 
clayburn bedding mix
CLAYBURN BEDDING MIX
Castable refractory mix
Abandoned  ·  May 7, 2014  ·  86274307  · 
clayburn bedding mix
CLAYBURN C-640
Castable refractory mix, not of metal
Cancelled  ·  May 7, 2014  ·  86274364  · 
clayburn c-640