US PATENT SUBCLASS 114 / 74 R
.~.~.~ Liquid

Current as of: June, 1999
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114 /   HD   SHIPS

65 R  DF  BUILDING {17}
72  DF  .~ Freighters {1}
73  DF  .~.~ Bulk cargo {3}
74 R.~.~.~ Liquid {2}
74 T  DF  .~.~.~.~> Floating tank
74 A  DF  .~.~.~.~> Double hull or insulated tank

Unofficial Alpha Subclasses: R T A

DEFINITION

Classification: 114/74

(under subclass 73) Bulk cargo freighter vessels, constructed to carry liquid or gaseous fluids. Waterborne tanks which are tight and not obviously unseaworthy are included.

SEE OR SEARCH THIS CLASS, SUBCLASS:

256, for marine storage tanks not adapted for towing or other transportation movement. Examples of structure considered to be excluded from subclass 74 under this note are: (1) exterior form not tanker or boat-like; (2) obviously unseaworthy, as entirely open bottom; (3) free interchange between contents between contents of tank and ambient buoying liquid.