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Patents

Showing 141-160 of 286 items.
TitleNo.DateSummaryTypeCategoryCompanyInventorIn UseCountry
 
Electrical Actuating Means for Clocks and Instruments 17349411929-11-05Electrical Actuating Means for Clocks and Instrume . . .Drawing shows two rotors, a balance wheel time train, and a striking mechanismUtilityAC Electric ClockCowles, GeorgeUnited States
Clock CaseDes. 806131930-03-04Clock CaseCase for the La Salle (Dura Case) 61-DDesignClock CaseAssignee: Dura Company;
User: Westclox		Graff, GeorgeUnited States
Clock CaseDes. 806141930-03-04Clock CaseCase for the La Salle (Dura Case) 61-CDesignClock CaseAssignee: Dura Company;
User: Westclox		Graff, GeorgeUnited States
Clock CaseDes. 806151930-03-04Clock CaseCase for the La Salle (Dura Case) 61-FDesignClock CaseAssignee: Dura Company;
User: Westclox		Graff, GeorgeUnited States
Clock CaseDes. 806161930-03-04Clock CaseCast clock case, similar to the Westclox Dura Case models.DesignClock CaseAssignee: Dura CompanyGraff, GeorgeUnited States
Clock CaseDes. 819271930-09-02Clock CaseCase for the La Salle (Dura Case) 61-HDesignClock CaseAssignee: Dura Company;
User: Westclox		Graff, GeorgeUnited States
Clock CaseDes. 819751930-09-09Clock CaseCase for the La Salle (Dura Case) 61-GDesignClock CaseAssignee: Dura Company;
User: Westclox		Graff, GeorgeUnited States
Clock CaseDes. 820321930-09-16Clock CaseCase for Westclox model 261 8-Day Automatic AlarmDesignClock CaseAssignee: Western Clock Company (the second one, 1912 - 1936);
User: Westclox		Kaefer, MartinUnited States
Electric Clock Driving Mechanism 17792141930-10-21Electric Clock Driving MechanismPeriodic winding mechanism where the contacts press and wipe to keep the surfaces clean, and the con . . . UtilityDC Electric Clock,
Automobile Clock		Assignee: Western Clock Company (the second one, 1912 - 1936)Kaefer, MartinUnited States
Design for a Watch CaseDes. 830291931-01-13Design for a Watch CaseDesign of the Zep (Graf Zeppelin) pocket watchDesignWatch CaseAssignee: Montgomery Ward;
User: Westclox		United States
Timepiece DialDes. 831031931-01-20Timepiece DialDial of the same shape at the Dura Case 61-G, but with a different pattern than used in production.DesignClock DialAssignee: Dura CompanyGraff, GeorgeUnited States
Timepiece DialDes. 831041931-01-20Timepiece DialDial of the same shape at the Dura Case 61-H and 61-J, but with a different pattern than used in pro . . . DesignClock DialAssignee: Dura CompanyGraff, GeorgeUnited States
Apparatus for Timing Clocks and Watches 17933331931-02-17Apparatus for Timing Clocks and WatchesA device which allows a balance and spring to be adjusted before it is installed in a movement.UtilityClock & Watch ManufacturingAssignee: Western Clock Company (the second one, 1912 - 1936);
User: Westclox		Maier, ErichUnited States
Power-Controlling Mechanism for Time Pieces 17968901931-03-17Power-Controlling Mechanism for Time PiecesElectromagnet assembly for a DC operated clockUtilityDC Electric Clock,
Automobile Clock		Assignee: Western Clock Company (the second one, 1912 - 1936);
User: Westclox		Greenleaf, WilliamUnited States
Electric Clock Driving Mechanism 18019851931-04-21Electric Clock Driving MechanismSolenoid-type winding mechanism with quickly actuated contacts.UtilityDC Electric Clock,
Automobile Clock		Assignee: Western Clock Company (the second one, 1912 - 1936)Schlenker, MaxUnited States
Electric Clock Driving Mechanism 18020561931-04-21Electric Clock Driving MechanismContacting mechanism is held under spring tension, and is suddenly released to rapidly break the con . . . UtilityDC Electric Clock,
Automobile Clock		Assignee: Western Clock Company (the second one, 1912 - 1936)Kaefer, MartinUnited States
Electric Driving Mechanism 18112781931-06-23Electric Driving MechanismThe contacts are quickly operated and have a wiping motion, so that ordinary metals instead of plati . . . UtilityDC Electric Clock,
Automobile Clock		Assignee: Western Clock Company (the second one, 1912 - 1936)Neureuther, AndrewUnited States
Clock CaseDes. 848901931-08-18Clock CaseCase for the La Salle (Dura Case) 61-JDesignClock CaseAssignee: Dura Company;
User: Westclox		Graff, GeorgeUnited States
Switch Accelerator for Clocks 18229271931-09-15Switch Accelerator for ClocksU shaped spring accelerates the making and breaking of contact in an electrically wound clock.UtilityDC Electric Clock,
Automobile Clock		Assignee: Western Clock Company (the second one, 1912 - 1936)United States
Electric Driving Mechanism 18235561931-09-15Electric Driving MechanismElectrically wound mainspring driven mechanical clock using a condenser.UtilityDC Electric Clock,
Automobile Clock		Assignee: Western Clock Company (the second one, 1912 - 1936)Neureuther, AndrewUnited States
Showing 141-160 of 286 items.