Plumbing apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 6, 1985
Grant Date -
N/A
app pub date -
Dec 30, 1983
filing date -
Dec 30, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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