USD301599SExpiredUtility

Combined signal transmission device and detonating cord for blasting assembly

Assignee: NITRO NOBEL ABPriority: Mar 27, 1984Filed: May 27, 1987Granted: Jun 13, 1989

Est. expiryMar 27, 2004(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a combined signal transmission device and detonating cord for blasting assembly, as shown and described.

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