US PATENT SUBCLASS 114 / 174
.~ Stoppers
Current as of: June, 1999
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| 114 / | HD | SHIPS |
|
| 173 | DF | PORTS {2} |
| 174 |  | .~ Stoppers {2} |
| 175 | DF | .~.~> Gun port |
| 176 | DF | .~.~> Hinged |
DEFINITION
Classification: 114/174
Covers, doors, etc., for closing ports, differing from the covers of the light and air ports principally in the use to which said port is adapted and being generally larger and of rectangular construction, while the light and air ports are usually circular.
SEE OR SEARCH CLASS
48, Gas: Heating and Illuminating,
124,.
109, Safes, Bank Protection, or a Related Device,
58, and indented subclasses.
144, Woodworking,
271, for a wood bending steamer.
404, Road Structure, Process and Apparatus 25+, for pavement with a vault cover-closure.
422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,
310+,.