US PATENT SUBCLASS 148 / 516
.~ Producing or treating layered, bonded, welded, or mechanically engaged article or stock as a final product

Current as of: June, 1999
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148 /   HD   METAL TREATMENT

95  DF  PROCESS OF MODIFYING OR MAINTAINING INTERNAL PHYSICAL STRUCTURE (I.E., MICROSTRUCTURE) OR CHEMICAL PROPERTIES OF METAL, PROCESS OF REACTIVE COATING OF METAL AND PROCESS OF CHEMICAL-HEAT REMOVING (E.G., FLAME-CUTTING, ETC.) OR BURNING OF METAL {17}
516.~ Producing or treating layered, bonded, welded, or mechanically engaged article or stock as a final product {9}
517  DF  .~.~> Subambient temperature
518  DF  .~.~> With electrocoating (e.g., electroplating, anodizing, sputtering, etc.)
519  DF  .~.~> Pipe or tube {2}
522  DF  .~.~> With casting or solidifying from melt {1}
524  DF  .~.~> With metal fusion bonding step utilizing electron arc or beam
525  DF  .~.~> Utilizing wave energy (e.g., laser, electromagnetic wave energy, etc.), plasma or electron arc or beam
526  DF  .~.~> Electric heating with work as electrical conductor (e.g., alternating current, induction, etc.)
527  DF  .~.~> With metal next to or bonded to metal {4}
537  DF  .~.~> With coating step

DEFINITION

Classification: 148/516

Producing or treating layered, bonded, welded, or mechanically engaged article or stock as a final product:

(under subclass 95) Process wherein a layered, bonded, welded, or mechanically engaged (e.g., inserts, etc.) article or stock having at least one layer or integral portion thereof made of metal or metal alloy is the product of a process consistent with the class definition.

(1) Note. To remain in this subclass, it makes no difference whether layered, bonded, welded, or mechanically engaged article or mechanically engaged stock is the starting material of the process. It is however essential that the final product of the process be layered, bonded, welded, or mechanically engaged.

SEE OR SEARCH THIS CLASS, SUBCLASS:

538+, particularly subclasses 582, 591, 596, 606, 615, 625, 703, or 708, if the layer is a treating agent (e.g., protective annealing shield such as CaO, CaCO3, etc.) which is intended as a temporary layer but not part of the final product.