US PATENT SUBCLASS 428 / 673
.~.~.~.~ Ag-base component


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

544  DF  ALL METAL OR WITH ADJACENT METALS {31}
615  DF  .~ Composite; i.e., plural, adjacent, spatially distinct metal components (e.g., layers, joint, etc.) {15}
655  DF  .~.~ Transition metal-base component {4}
668  DF  .~.~.~ Group VIII or IB metal-base component {10}
673.~.~.~.~ Ag-base component


DEFINITION

Classification: 428/673

(under subclass 668) Subject matter in which a component contains 40 percent or more of silver.

SEE OR SEARCH THIS CLASS, SUBCLASS:

656, 669 and 671, to complete a search for Ag-base components.

SEE OR SEARCH CLASS

205, Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions,

71, for processes of making mirrors and reflectors by electro-forming, and subclass 116 for the production of mirrors and reflectors by electrodeposition of metallic silver upon a substrate of specific form or configuration.

420, Alloys or Metallic Compositions, 501+, for a silver base alloy.