Apparatus Which Can Be Set And Started To Measure Off Predetermined Or Adjustably Fixed Time Intervals Without Driving Mechanisms, E.g., Egg Timer, Etc. (electric Time And Time-program Switches H01h 43/00) [g04f 1/00] Patents (Class 968/801)

Cross-Reference Art Collections

Using electronic timing, e.g., counting means, etc. (pulse time delay arrangements h03k 5/13; modifications of electronic switches for introducing a time delay before switching h03k 17/28) [g04f 1/00b] (Class 968/802)

By consuming prefixed quantities of materials, e.g., by burning candle, etc. [g04f 1/02] (Class 968/803)

By movement or acceleration due to gravity [g04f 1/04] (Class 968/804)

By flowing away of a prefixed quantity of fine granular or liquid materials, e.g., sand-glass, water-clock, etc. [G04F 1/06] (Class 968/805)
By a body falling a prefixed distance in air or in a viscous material [G04F 1/08] (Class 968/808)

There are no patents to show for this class.