Geometrical instruments – Straight-line light ray type – Rod or target
Patent
1982-04-23
1984-02-28
Little, Willis
Geometrical instruments
Straight-line light ray type
Rod or target
52103, 116209, G01C 1502, G01C 1506
Patent
active
044334907
ABSTRACT:
A flexible surveyor's marker constructed of an elongated strip of stiff, yet flexible, foldable material such as Mylar plastic including an elongated body portion creased along a longitudinal centerline thereof and a pair of tabs connected to a transverse fold line along one end of the body portion and containing a nail hole in each tab is disclosed. The tabs are slidable one across and over the other to a position wherein the nail holes register with one another. The body portion is tiltable out of a plane containing the tabs toward a direction perpendicular to the plane containing the tabs as the tabs are slid one across and over the other toward registry of the nail holes.
REFERENCES:
patent: 2798317 (1957-07-01), Hargus
patent: 3279133 (1966-10-01), Korte
patent: 3516171 (1970-06-01), Martin
patent: 3600812 (1971-08-01), Chromoga
patent: 3899856 (1975-08-01), Johnson
patent: 3973327 (1976-08-01), Cardinale
patent: 4050404 (1977-09-01), McMackin
Little Willis
Miller Jr. Maurice L.
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