Frenum lock

Details Frenum lock Frenum lock

1979-09-21

1980-12-23

Yasko, John D.

Undertaking

Body preparation

A01N 100

Patent

active

042401860

ABSTRACT:
This invention is directed to a frenum lock, also known as a natural expression former, for use by morticians. It relates to an improvement on two of my patents. I have a patent entitled "NATURAL EXPRESSION FORMER", U.S. Pat. No. 3,103,052, issuing date of Sept. 10, 1963 and a patent entitled "NATURAL EXPRESSION FORMER WITH BITE INDENTATION", U.S. Pat. No. 3,195,215, issuing date of July 20, 1965. The improvement of this invention is the positioning of the dividing lines in the central portion of the natural expression former or the frenum lock. The dividing lines in the central portion of the frenum lock permit wider spreading of the expression forming wing-like portions on insertion of the expression former into the mouth of the corpse or cadaver and permit greater adaptation of the expression former to the dental arch of the corpse or the cadaver.

REFERENCES:
patent: 2120143 (1938-06-01), Divel
patent: 2587292 (1952-02-01), De Voe
patent: 3103052 (1963-09-01), Rector
patent: 3195215 (1965-07-01), Rector
patent: 3205553 (1965-09-01), Pfeifer

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