Birth control device

Details Birth control device Birth control device

1987-07-14

1989-01-03

Hafer, Robert A.

Surgery

Male reproductory tract shields or birth control devices

Condoms

604347, 604349, A61F 1300

Patent

active

047949201

ABSTRACT:
A birth control device comprises an oversized sheath portion fitting loosely about the male organ and a flange about the open end of the sheath for retaining the open end of the device outside the woman's body.

REFERENCES:
patent: D254808 (1980-04-01), Meldaul
patent: 2123343 (1938-01-01), Rightsell
patent: 2305453 (1942-01-01), Martos
patent: 2406600 (1946-01-01), Forestiere
patent: 2548149 (1951-01-01), Fowler, Jr.
patent: 2591783 (1952-01-01), Craddock
patent: 2904041 (1959-09-01), Brown
patent: 3536066 (1970-01-01), Ludwig
patent: 3677225 (1972-07-01), Czirely
patent: 3759254 (1973-01-01), Clark
patent: 4004591 (1977-01-01), Freimark
patent: 4354494 (1982-10-01), Hogin
patent: 4664104 (1987-05-01), Jaicks

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