Title:
Aspirating apparatus
United States Patent 2947470


Inventors:
Ruben, Henning M.
Holger, Hesse
Application Number:
US64203357A
Publication Date:
08/02/1960
Filing Date:
02/25/1957
Assignee:
Ruben, Henning M.
Holger, Hesse
Primary Class:
Other Classes:
92/40, 92/43, 137/565.01, 604/146
International Classes:
A61M1/00; F04B45/02; F04F3/00
View Patent Images:
US Patent References:
2816703Pneumatic bellows1957-12-17
1382081Bellows1921-06-21
1349766Blood-removing and etherizing apparatus1920-08-17
1341669Pump1920-06-01
1209846N/A1916-12-26
1095930N/A1914-05-05
0948115N/A1910-02-01
0286631N/A1883-10-16
Foreign References:
GB438404A1935-11-15
BE510339A
GB551737A1943-03-08