Title:
UNDERWATER BREATHING DEVICES WITH VALVED AIR SUPPLY MEANS
United States Patent 3467091
US Patent References:
/0667840.html
- - 0667840

/0813431.html
- - 0813431

/0908690.html
- - 0908690

/1324514.html
- - 1324514

Diving apparatus
- - 1824512


Inventors:
Aragona, Robert J.
Publication Date:
09/16/1969
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Assignee:
Robert, Aragona J.
Primary Class:
128/201.110
International Classes:
B63C11/20; B63C11/02; A62B7/00
US Patent References:
2303155Diving mask and apparatus
2593988Diving apparatus
2780224Mask for learning to swim above and under water
2974331Swim float
3051170Underwater breathing apparatus provided with a snorkel
3370586Underwater breathing device with valved float
Foreign References:
FR1177002A
FR1322898A




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