Title: Guide means for boring bars

Description: BACKGROUND OF THE INVENTION
Other info:


Inventors: Janiszewski, Kasimir (Franklin, WI, US)

Application Number: 505393
Filing Date: 1974-09-12
Publication_date: 1976-09-21
Assignee:
Primary Class(es): 82/1.4 408/82, 408/241B
Other Classes:
US Patent Ref:

2152954	Apr, 1939	Campbell	408/78.
2234039	Mar, 1941	Busjaeger	408/159.
2257609	Sep, 1941	Kollath	408/202.
2395751	Feb, 1946	Newcomer	408/241.
2643554	Jun, 1953	Sperisen	408/241.
2747948	May, 1956	Jergens	408/82.
3795160	Mar, 1974	Janiszewski	82/1.
3935764	Feb, 1976	Janiszewski	82/1.

Other Refs: 903,3951,283,076

Dec, 1953	DT
Nov, 1968	DT

Primary Examiner: Simpson, Othell M.
Assistant Examiner: Briggs, W. R.
Attorney: Fuller; Henry C.