Geometrical instruments
Patent
1977-11-16
1979-02-06
Goldberg, Howard N.
Geometrical instruments
29450, 1281423, 174 47, 339 16R, H01R 304
Patent
active
041381785
ABSTRACT:
A composite diver's umbilical including concentric hoses for breathing gas, eating fluid supply and return, electrical conductors, and a strength member, and cooperating separable connectors for effecting end to end joining of segments of the umbilical. The connectors are characterized by cooperating nipple and receptacle members having coaxial, arcuate passageways, and cooperating pin and socket electrical connectors.
REFERENCES:
patent: 989532 (1911-04-01), Macduffee
patent: 1096607 (1914-05-01), Deray
patent: 3649949 (1972-03-01), McCarthy et al.
McClain D. Wayne
McCrory, Jr. William W.
Miller Barry E.
David Harvey A.
Goldberg Howard N.
Jones DeWalden W.
Sciascia Richard S.
The United States of America as represented by the Secretary of
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