Ear plug

Medical and laboratory equipment – Prophylactic article – Ear plug or nose clip

Design Patent

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Design Patent

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D0437048

CLAIM:
The ornamental design for an ear plug, as shown and described.

REFERENCES:
patent: D. 241881 (1976-10-01), Peterson et al.
patent: D. 245202 (1977-07-01), Asker
patent: D. 413379 (1999-08-01), Leight
patent: 1045812 (1912-12-01), Campbell
patent: 2888921 (1959-06-01), Nielson et al.
patent: 2934160 (1960-04-01), Touson
patent: 3872559 (1975-03-01), Leight
patent: 4094315 (1978-06-01), Leight

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