Geometrical instruments – Area integrators – Electrical
Patent
1982-08-25
1985-01-29
Haroian, Harry N.
Geometrical instruments
Area integrators
Electrical
33161, G01B 300
Patent
active
044957025
ABSTRACT:
The height marking means comprises a generally flat, paddle shaped board having a notch formed in one end thereof adapted to fit around the portion of the stick means with the stick abutting surface being the bottom surface of the notch. The elongated stick is formed in a plurality of sections with arrangements provided for releasably fastening the sections together into a unitary stick assembly. Embodiments including a floor stand or wall mounting brackets are provided. Decals and ruled markings on the stick provide height-age marking on the units.
REFERENCES:
patent: 139092 (1973-05-01), Urie
patent: 325134 (1885-08-01), Wainwright
patent: 1110968 (1914-09-01), Southard
patent: 1555792 (1925-09-01), Souder
patent: 1974085 (1934-09-01), Shields et al.
patent: 1996553 (1935-04-01), Scully
patent: 2215884 (1940-09-01), Runge
patent: 3196548 (1965-07-01), Moore
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