US PATENT SUBCLASS 431 / 122
.~ Scraping or clearing member

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

Internet Version by PATENTEC © 1999      Terms of Use


431 /   HD   COMBUSTION

121  DF  WITH APPARATUS CLEANING, PURGING OR SCAVENGING MEANS {1}
122.~ Scraping or clearing member {1}
123  DF  .~.~> Feed orifice penetrating

DEFINITION

Classification: 431/122

(under subclass 121) Apparatus including a member supported for movement relative to structure from which it is to dislodge undesirable material.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

104.03+, for a pipe or tube cleaner of general application.

137, Fluid Handling,

242+, for a fluid handling system of general application having a mechanical cleaning means. 239, Fluid Sprinkling, Spraying, and Diffusing,

114+, for a nozzle having a solid scraping or clearing member.

362, Illumination,

458, for a hand implement for clearing out or freeing the discharge opening of a burner tip.