The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9739577 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 22, 2017

Filed:

Mar. 14, 2016
Applicant:

Live˜wire Pyrotechnics Ltd, Changsha, CN;

Inventors:

Fan Zhang, Changsha, CN;

Michael Knox, Lothian, GB;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F42B 4/20 (2006.01); F42B 3/103 (2006.01);
U.S. Cl.
CPC ...
F42B 4/20 (2013.01); F42B 3/103 (2013.01);
Abstract

A device for launching fireworks, the device includes: a plastic plug and a locking base. The plastic plug includes: a resistance heating wire, a slot for accommodating the resistance heating wire, two metal conductors, two plate-like electrodes, and an upper clamping structure. The locking base includes: a lower clamping structure, two spring electrodes, and a circuit connecting socket. The top of the plastic plug is provided with the slot for accommodating the resistance heating wire. The resistance heating wire is fixed in the slot for accommodating the resistance heating wire and two ends of the resistance heating wire are electronically connected with one ends of the two metal conductors. The other ends of the two metal conductors are respectively electronically connected with the two plate-like electrodes and fixed at a bottom of the plastic plug. The bottom of the plastic plug is provided with the upper clamping structure.


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Zhang, Fan. (2017). Device for launching fireworks (U.S. Patent No. 9739577). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9739577

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