US PATENT SUBCLASS 114 / 90
.~ Masts and masting

Current as of: June, 1999
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114 /   HD   SHIPS

89  DF  SPARS {5}
90.~ Masts and masting {4}
91  DF  .~.~> Swinging
92  DF  .~.~> Cross and trestle trees
93  DF  .~.~> Coats, shields, and steps
94  DF  .~.~> Heads and irons

DEFINITION

Classification: 114/90

Inventions in masts, their material, form, construction, and position, and means for securing them.