USD413864SExpiredUtility

Plug lock device

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Assignee: ALERT SAFETY LITE PRODUCTS CO INCPriority: Mar 20, 1998Filed: Mar 20, 1998Granted: Sep 14, 1999
Est. expiryMar 20, 2018(expired)· nominal 20-yr term from priority
Inventors:James D. KovacikPaul S. BlanchStanley E. Grzywna
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PatentIndex Score
4
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a plug lock device, as shown and described.

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