71480127
Feb 23, 1945
Nov 27, 1945
VACUUM BOTTLES AND HEAT-INSULATED RECEPTACLES-NAMELY, PORTABLE HEAT-INSULATED FOOD AND BEVERAGE CONTAINERS OF SUBSTANTIALLY BOTTLE OR JUG FORM, INCLUDING AN INNER FRANGIBLE CONTAINER AND AN OUTER PROTECTIVE JACKET HEAT AND/OR SHOCK-INSULATED FROM THE FRANGIBLE CONTAINER
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