Earplug type earphone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment

Design Patent

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Design Patent

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29262669

CLAIM:
The ornamental design for an earplug type earphone, as shown.

REFERENCES:
patent: 2719523 (1955-10-01), Von Gierke
patent: 4953215 (1990-08-01), Weiss et al.
patent: D468301 (2003-01-01), Fushimi
patent: 7003127 (2006-02-01), Sjursen et al.
patent: 7010137 (2006-03-01), Leedom et al.
patent: D519108 (2006-04-01), Yang
patent: 7092543 (2006-08-01), Mahoney et al.
patent: 7113611 (2006-09-01), Leedom et al.

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