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Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B65
CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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B65D
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
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2581/00
Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
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B65D2581/34
for packaging foodstuffs or other articles intended to be cooked or heated within
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B65D2581/3437
specially adapted to be heated by microwaves
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B65D2581/3439
Means for affecting the heating or cooking properties
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B65D2581/3455
Packages having means for improving the internal circulation of air
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B65D2581/3456
Means for holding the contents at a distance from the base of the package, e.g. raised islands or protrusions
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