USD378270SExpiredUtility

Portion of a key blade blank

53
Assignee: YALE SECURITY INCPriority: Jan 19, 1996Filed: Jan 19, 1996Granted: Mar 4, 1997
Est. expiryJan 19, 2016(expired)· nominal 20-yr term from priority
Inventors:Joanne M. Aston
53
PatentIndex Score
10
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for portion of a key blade blank, as shown and described.

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