1977-10-14
1979-03-27
Mancene, Louis G.
A61C 900
Patent
active
041458125
ABSTRACT:
An adjustable dental impression tray including a primary unit and two complementary movable units slidably mounted telescopically on the primary unit for adjustment with respect thereto. The primary unit is provided with an outwardly extending flexible flap cooperable with a rigid tab and is adapted to receive and secure the movable unit in a predetermined adjusted position with respect to the primary unit.
REFERENCES:
patent: 310407 (1885-01-01), Garner
patent: 583848 (1897-06-01), Dunlap
patent: 1257947 (1918-02-01), Sternberg
patent: 2426388 (1947-08-01), Chartrand
patent: 3890711 (1975-06-01), Burns
Johnson James F.
Nicholson Victor T.
Mancene Louis G.
Ray David L.
Spielman, Jr. Edgar E.
Wilson John J.
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