US PATENT SUBCLASS 166 / 162
RECEPTACLES

Current as of: June, 1999
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166 /   HD   WELLS

162RECEPTACLES {7}
163  DF  .~> With separate air chamber having openable passage
164  DF  .~> With destroyable closure and valve
165  DF  .~> With valved or closed top
166  DF  .~> Valve control means contacting well conduit wall
167  DF  .~> Bottom receiving and side discharge valves
168  DF  .~> Readily releasable bottom valve
169  DF  .~> Lateral ports used in well

DEFINITION

Classification: 166/162

(under the class definition) Devices comprising a container which is bodily movable for transporting material from the top of the well and discharging the material therefrom at a point in the well or which is bodily movable for receiving fluid material from the well and transporting it to the well top.

SEE OR SEARCH THIS CLASS, SUBCLASS:

69, for a receptacle used with above ground apparatus.

99, for receptacles combined with junk retrieving means.

107+, for receptacles combined with a pump or plunger mechanism for drawing fluid into the receptacle.

142+, for receptacles with packers and a controllable passage between the receptacle and the space below the packer.

205, and 227+, for well screens or well screen parts which may be lifted from the well after sediment collects therein. SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

1.7, for submerged cleaners with ambient flow guides, and subclass 246.5 for tank cleaners. See the search notes thereunder.

37, Excavating,

182, for orange peel buckets and subclass 461 for clamshell buckets.

73, Measuring and Testing,

152.23+, for sampling of a well fluid combined with flow measuring or fluid analysis wherein the test is not purely electrical or purely magnetic, and especially subclass 152.28 for sampling of a well fluid combined with fluid flow measuring or fluid analysis by use of a downhole measuring

apparatus wherein the test is not purely electrical or purely magnetic and subclass 864.51 for receptacles for taking liquid samples from locations other than wells. See the class definition of Class 166 for the line with Class 73 as to receptacles used in a well.

102, Ammunition and Explosives,

331, for well torpedoe receptacles.

175, Boring or Penetrating the Earth,

308+, and the search there noted, for earth boring means with a receptacle for cuttings or sediment. A mere dart extension to operate a bottom valve is not considered an earth boring means sufficient for classification in Class 175. 210, Liquid Purification or Separation,

523+, for gravitational separators, with mechanical liquid removers, and subclasses 532+ for gravitational separators with heavier constituent traps.

220, Receptacles, for receptacles of general utility, especially

200+, for receptacle closures.

222, Dispensing,

356+, and subclasses there noted for dipping type dispensers. See section 13 of the class definition of Class 222 for other classes relating to the subject matter.

294, Handling: Hand and Hoist-Line Implements,

68.22+, for hoisting bucket or bailer type receptacles, and subclass 86.11 for devices similar to receptacles for carrying only solid objects such as junk out of a well. Class 294 takes dumping and bailing receptacles which are structurally very similar to those of Class 166, the line being that Class 166 takes those receptacles that have some feature special to use in wells or are described for use in wells and are long and slender so as to adapt them for use in narrow diameter bored wells and also have at least one of the following features; a pump or plunger means for loading the receptacle, disclosure that the receptacle or part thereof is left in the well and separated from its lowering means, a separate air, gas or vacuum chamber, a valve and destroyable closure, a closed or valved top, valve control means operated by contact with the side wall, a bottom loading valve, which is bodily movable for discharge, a side opening for use in the well. These features form the subject matter of subclasses 107, 117 and 163 through 169 of Class 166.