Plumbing apparatus

Details Plumbing apparatus Plumbing apparatus

1983-12-30

1985-08-06

Little, Willis

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33286, 33189, G01C 936

Patent

active

045327181

ABSTRACT:
A plumbing apparatus including a circular spirit level attached to a straight edge body adapted to carry a reference point vertically wherein the level is large enough to span a hole in the floor with marking guides on the periphery to fix lines that pass through a central axis of the level with a rod attached to the level extending through the hole to align with a reference point with a template spanning a second hole to define the reference point.

REFERENCES:
patent: 2096638 (1937-10-01), Higgins, Jr.
patent: 3832782 (1974-09-01), Johnson et al.
patent: 3874088 (1975-04-01), Shaffer, Jr.
patent: 3950860 (1976-04-01), Holcombe

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