Strainer bag construction
United States Patent 3419151
US Patent References:
/0567387.html
- - 0567387

/0603323.html
- - 0603323

/1028114.html
- - 1028114

/1284944.html
- - 1284944

Coffee urn bag
- - 1809935


Inventors:
Smith, Edward A.
Wrotnowski, Arthur C.
Publication Date:
12/31/1968
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Assignee:
AMERICAN FELT COMPANY
Primary Class:
210/460
Other Classes:
210/474, 210/489, 210/499, 55/382, 55/378
International Classes:
B01D29/11
US Patent References:
2100951Filter
2286434Filter
2416524Composite filtering medium and method of filtering
3067504Method of making a filter sock
3204391Air filtration
Foreign References:
GB220945A




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