(under subclass 276) Subject matter wherein the timing or delay causing means includes a path of powder having ends so that the powder, when ignited, burns along the path to an end where the burning can be transferred to an explosive or thermic charge.
(1) Note. Here are mainly shell munition fuses.
(2) Note. The means to ignite the powder may or may not be claimed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
202.13, for an electric primer or ignitor with a powder train time delay.
269, for a multiple mode fuse including a powder train time delay.
275.1, for detonator, ignition, and safety fuse cords, particularly subclass 275.3 for a fuse cord with a combustible time delay cord connector means.
