Combined signal transmission device and detonating cord for blasting assembly

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Information

Patent Grant
D301599

References
Source

Patent Number
D301,599
Date Filed
Wednesday, May 27, 1987
37 years ago
Date Issued
Tuesday, June 13, 1989
35 years ago

Inventors
- Lars-Gunnar Lofgren
Original Assignees
- NITRO-NOBEL A.B
Examiners
- Word; A. Hugo
Agents
- Frishauf, Holtz, Goodman & Woodward

US Classifications
- D22 - Arms, pyrotechnics, hunting and fishing equipment
Field of Search
- US
- D22 112
- 102 27512
- 102 262
- Term of Grant
  14Years

Information

Abstract

Description

Claims

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

Priority Claims (2)

Number	Date	Country	Kind
84-1010	Mar 1984	SEX
84-1009	Mar 1984	SEX

US Referenced Citations (3)

Number	Name	Date	Kind
4426933	Yunan	Jan 1984
4481884	Yunan	Nov 1984
4539909	Day et al.	Sep 1985

Divisions (1)

	Number	Date	Country
Parent	655332	Sep 1984