US PATENT SUBCLASS 451 / 28
ABRADING PROCESS

Current as of: June, 1999
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451 /   HD   ABRADING

28ABRADING PROCESS {19}
29  DF  .~> Utilizing shield (mask or stencil) {2}
32  DF  .~> Tumbling {3}
36  DF  .~> Utilizing fluent abradant {2}
41  DF  .~> Glass or stone abrading {2}
45  DF  .~> Razor, knife, or scissors sharpening
46  DF  .~> Gauge abrading
47  DF  .~> Gear or worm abrading
48  DF  .~> Drill, thread, thread cutter, reamer, or rotary cutter abrading
49  DF  .~> Roll, roller, shaft, ball, or piston abrading {1}
51  DF  .~> Ring, tube, bushing, sleeve, or cylinder abrading {1}
53  DF  .~> With critical temperature modification or control of work or abradant
54  DF  .~> With critical nonabrading work treating {1}
56  DF  .~> With tool treating or forming
57  DF  .~> Combined abrading {1}
59  DF  .~> Utilizing nonrigid tool
60  DF  .~> Abradant supplying
61  DF  .~> Hollow work
62  DF  .~> Cam
63  DF  .~> Side face of disk

DEFINITION

Classification: 451/28

ABRADING PROCESS:

(under the class definition) Method of performing a grinding operation falling within the main ... or method of performing an ancillary operation not elsewhere provided for.

(1) Note. For a process of making an article or blank wherein abrading is included in addition to metal working, see the appropriate metal working class.

SEE OR SEARCH CLASS

29, Metal Working,

89.5, and 90.01+ for a process of wearing-in or burnishing metal.

51, Abrasive Tool Making Process, Material, or Composition, for a process of making an abrading tool, material, or composition.

134, Cleaning and Liquid Contact With Solids, for a process of cleaning and liquid contact with solids not involving (a) the use of an abradant or (b) the causing of plural workpieces to tumble or rub against each other, particularly

7, for a process involving the use of particulate or comminuted solid treating agents. 205, Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions,

640+, for electrolytic erosion to change the shape or surface configuration of an object, especially subclasses 661 and 662+ for electrolytic erosion combined with mechanical abrasion.

426, Food or Edible Material: Processes, Compositions, and Products,

483, for a process of removing the outer covering of plant material by abrading.