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Patent
   D287529
Priority
Jan 20 1984
Filed
Jan 20 1984
Issued
Dec 30 1986
Expiry
Dec 30 2000
Inventors
Diederichs…
Assg.orig
Nico-Pyrot…
Assg.curr
NICO-PYROT…
Entity
unknown
Referenced by
1
References
4
Maint.:
n/a
The ornamental design for an emergency pyrotechnic signalling device, substantially as shown.

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.
INVENTORS:

Diederichs, Jr., Hanns-Juergen

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D361367, Jan 12 1994 Shiu Fung Fireworks Company Limited Toy helicopter pyrotechnic device
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3432857,
3921325,
4176606, Jan 06 1977 Pains-Wessex Limited Pyrotechnic devices
D274639, Aug 09 1982 Derringer
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 20 1984Nico-Pyrotechnic Hanns-Juergen Diederichs GmbH & Co. KG(assignment on the face of the patent)
Mar 24 1986DIEDERICHS, HANNS-JUERGENNICO-PYROTECHNIC HANNS-JUERGEN DIEDERICHS GMBH & CO KG ASSIGNMENT OF ASSIGNORS INTEREST 0046450068 pdf
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