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Class Information
Number: 102/202.13
Name: Ammunition and explosives > Igniting devices and systems > Electrical primer or ignitor > Having a powder train time delay
Description: Subject matter which additionally includes in a common unit a combustible chemical composition which is ignited or detonated by the explosive or thermic material when it is ignited or detonated to cause a delay in the time a further explosive or thermic composition will be ignited in the same unit as a result of the detonated or ignited composition.










Patents under this class:

Patent Number Title Of Patent Date Issued
8381651 Rotational variable pyrotechnic delay selector for munitions Feb. 26, 2013
8245643 Delay units and methods of making the same Aug. 21, 2012
8066832 Delay compositions and detonation delay device utilizing same Nov. 29, 2011
7650840 Delay units and methods of making the same Jan. 26, 2010
6578486 Igniter Jun. 17, 2003
6561101 Explosive delay assembly May. 13, 2003
6499405 Connection and delay pyrotechnic device Dec. 31, 2002
5602360 Electronic delay igniter and electric detonator Feb. 11, 1997
5522318 Cushion element for detonators and the like; apparatus and method of assembly Jun. 4, 1996
5503078 Shock resistant detonator and method for making the same Apr. 2, 1996
5182417 Precision delay detonator Jan. 26, 1993
5175390 Delay detonator Dec. 29, 1992
5125335 Fuse element, preferably with long delay period and method for producing the same Jun. 30, 1992
5088412 Electrically-initiated time-delay gas generator cartridge for missiles Feb. 18, 1992
5054396 Fuse element, preferably with long delay period and method for producing the same Oct. 8, 1991
5048420 Low energy fuse Sep. 17, 1991
5003879 Delay detonator Apr. 2, 1991
4926752 Safety fuze for a hand grenade May. 22, 1990
4841856 Pyrotechnical delay elements for delayed-action fuse and uses thereof Jun. 27, 1989
4821646 Delay initiator for blasting Apr. 18, 1989
4770097 Mining method with no delay between shot initiator and firing Sep. 13, 1988
4760792 Pyrotechnic delay for high g's application Aug. 2, 1988
4742773 Blasting signal transmission tube delay unit May. 10, 1988
4727808 Non-primary explosive detonator Mar. 1, 1988
4499828 Barrier breaching device Feb. 19, 1985
4463679 High power pyrotechnic flare Aug. 7, 1984
4436034 Smoke grenade with successive slow and fast burning charges Mar. 13, 1984
4429632 Delay detonator Feb. 7, 1984
4402269 Electric delay detonator Sep. 6, 1983
4369708 Delay blasting cap Jan. 25, 1983
4363272 Device for an electric igniter Dec. 14, 1982
4358998 Igniter for a pyrotechnic gas bag inflator Nov. 16, 1982
4356768 Delay fuse with a slow rate of combustion and a small diameter Nov. 2, 1982
4312271 Delay detonator device Jan. 26, 1982
4311096 Electronic blasting cap Jan. 19, 1982
4304184 Selectively actuable electrical circuit Dec. 8, 1981
4239004 Delay detonator device Dec. 16, 1980
4239005 Device for an electric igniter Dec. 16, 1980
4144814 Delay detonator device Mar. 20, 1979
4036139 Electrically initiated fuse ignitor Jul. 19, 1977
3999484 Delay device having dimpled transfer disc Dec. 28, 1976











 
 
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