Key

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning

Design Patent

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Design Patent

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D0533440

CLAIM:
The ornamental design for a key, as shown.

REFERENCES:
patent: 289284 (1883-11-01), Lincoln
patent: 365304 (1887-06-01), Gurney
patent: 371823 (1887-10-01), Cowles
patent: 600618 (1898-03-01), Lockwood
patent: D36741 (1904-01-01), Oaley
patent: D155297 (1949-09-01), Kushner
patent: 3541816 (1970-11-01), Eugene
patent: 5560234 (1996-10-01), Ross et al.
patent: D433315 (2000-11-01), Chen
patent: 6519989 (2003-02-01), Hirvi
patent: 6755061 (2004-06-01), Herzenberg
patent: 2003/0134600 (2003-07-01), Picone et al.

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