Geometrical instruments – Gauge – Door and window
Patent
1993-11-12
1995-03-14
Will, Thomas B.
Geometrical instruments
Gauge
Door and window
33481, 33451, E04F 2100
Patent
active
053967070
ABSTRACT:
A tool for use in hanging a door, the tool comprising in combination a border element having a vertical component, a horizontal component, a first surface, a second surface, and a peripheral edge interconnecting the first and second surfaces with the peripheral edge having an inner extent defining the angle between the components and an outer extent formed opposite the inner extent; a plurality of vertical slots formed through the vertical component of the border element; a plurality of horizontal slots formed through the horizontal component of the border element; and a plurality of spacing tabs, the number of spacing tabs corresponding to the total number of horizontal and vertical slots, each tab adapted to be received within one of the horizontal or vertical slots.
REFERENCES:
patent: 1115030 (1914-10-01), Smith
patent: 1742103 (1929-12-01), Sholtes
patent: 1762664 (1930-06-01), Mott
patent: 1791822 (1931-02-01), Lundquist
patent: 2679696 (1954-06-01), Reeder, Jr.
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