Emergency pyrotechnic signalling device

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Description

FIG. 1 is a perspective view of an emergency pyrotechnic signalling device showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side view thereof; and

FIG. 4 is a left side view thereof.

Referenced Cited
U.S. Patent Documents
D274639 July 10, 1984 Seminiano
3432857 March 1969 Rasmussen et al.
3921325 November 1975 Tennigkeit
4176606 December 4, 1979 King et al.
Patent History
Patent number: D287529
Type: Grant
Filed: Jan 20, 1984
Date of Patent: Dec 30, 1986
Assignee: Nico-Pyrotechnic Hanns-Juergen Diederichs GmbH & Co. KG (Hamburg)
Inventor: Hanns-Juergen Diederichs, Jr. (Grande)
Primary Examiner: A. Hugo Word
Application Number: 6/572,667