US PATENT SUBCLASS 29 / 243.54
.~.~.~ Single header

Current as of: June, 1999
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29 /   HD   METAL WORKING

700  DF  MEANS TO ASSEMBLE OR DISASSEMBLE {55}
243.5  DF  .~ Overedge assembling means {5}
243.53  DF  .~.~ Riveter {1}
243.54.~.~.~ Single header {1}
243.55  DF  .~.~.~.~> Pipe joiner

DEFINITION

Classification: 29/243.54

Single header:

(under subclass 243.53) Apparatus which deforms only one rivet or like element at a time, using the same tool pair (header and anvil) each time.