Bag with vacuum sealed valve closure
United States Patent 2576322
US Patent References:
/0055039.html
- - 0055039

/0314839.html
- - 0314839

/1300155.html
- - 1300155

Can
- - 1337526

Container
- - 2027137


Inventors:
Waters, Harry F.
Publication Date:
11/27/1951
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Assignee:
Waters, Harry F.
Primary Class:
383/103
Other Classes:
206/524.800, 53/88, 53/97
International Classes:
B65B31/04; B65D81/20
US Patent References:
2281187Machine and method for packing commodities
2283069Bag and method of making same
2292295Method of filling and sealing receptacles
2322236Valved can closure
2335159Adhesively sealed package
2344369Package
2412544Reusable collapsible liquid carrying and dispensing container