String line box tool

Details String line box tool String line box tool

2005-11-15

2005-11-15

Bennett, G. Bradley (Department: 2859)

Geometrical instruments

Straightedge type

Cord type

C033S0010LE

Reexamination Certificate

active

06964109

ABSTRACT:
A string line box tool comprising a chalk line box and a line block integral therewith used for guiding a string line rewardly from the chalk line box through a groove in the line block in order to provide a free holding string line for carpentry or construction work. To effect this condition the hook shaped protrusion of the line block will hook onto one end of a work project while the L-shaped metal tab on the free end of the string line will hook onto the opposite end of the work project, the string line being under tension during this condition.

REFERENCES:
patent: 2505935 (1950-05-01), Batchler
patent: 2589500 (1952-03-01), Landon et al.
patent: 2749618 (1956-06-01), Landon
patent: 3122836 (1964-03-01), Aciego
patent: 5119565 (1992-06-01), Horvath et al.
patent: 5699622 (1997-12-01), Umbro
patent: 6098299 (2000-08-01), Collins et al.
patent: 2002/0088133 (2002-07-01), McMillan
patent: 2004/0211074 (2004-10-01), Tessel et al.
patent: 2005/0076520 (2005-04-01), Vary

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