Justia Patents Horology Patents Electromechanical Clocks Or Watches Independent Of Other Timepieces And In Which The Movement Is Maintained By Electric Means (synchronization Subclass 506) [g04c 3/00] Patents Wherein Movement Is Regulated By A Pendulum [g04c 3/02] Patents Using Mechanical Coupling (using More Than One Pendulum Subclass 457; Using Torsion Pendulums Subclass 464; Using Conical Pendulums Subclass 465) [g04c 3/02b] Patents (Class 968/454)

Using Mechanical Coupling (using More Than One Pendulum Subclass 457; Using Torsion Pendulums Subclass 464; Using Conical Pendulums Subclass 465) [g04c 3/02b] Patents (Class 968/454)

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With constant impulses [g04c 3/02b2] (Class 968/455)

There are no patents to show for this class.