Flexible tube structures
United States Patent 3060972
US Patent References:
/0731496.html
- - 0731496

/0944830.html
- - 0944830

/1044044.html
- - 1044044

Sectional grain spout
- - 1482576

Figure toy
- - 2241576


Inventors:
Sheldon, Gilbert J.
Publication Date:
10/30/1962
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Assignee:
BAUSCH & LOMB
Primary Class:
138/120
Other Classes:
174/111, 74/502.500, 600/585, 219/550, 600/142
International Classes:
A61B1/005; B25J18/06; B25J18/00
US Patent References:
2498692Gastrointestinal tube
2540141Longitudinal seam for corrugated metal pipe for light duty tunnel liners
2799274Veterinary evacuating probe for use on cattle
2975785Optical viewing instrument
Foreign References:
AT179905B
FR339757A