Patent classifications
A
HUMAN NECESSITIES
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A47
FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
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A47G
HOUSEHOLD OR TABLE EQUIPMENT
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A47G21/06
Combined or separable sets of table-service utensils; Oyster knives with openers; Fish servers with means for removing bones
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A47G21/061
Oyster knives with openers; Shellfish openers
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A47G21/062
Oyster splitters working by forcing a knife or the like between shells
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