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CPC
G04C15/0009
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PHYSICS
G04
Horology
G04C
ELECTROMECHANICAL CLOCKS OR WATCHES
G04C15/00
Clocks driven by synchronous motors
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G04C15/0009
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Patents Grants
last 30 patents
Information
Patent Grant
3871238
Patent number
3,871,238
Issue date
Mar 18, 1975
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3496718
Patent number
3,496,718
Issue date
Feb 24, 1970
G04 - HOROLOGY
Information
Patent Grant
3286456
Patent number
3,286,456
Issue date
Nov 22, 1966
G04 - HOROLOGY
Information
Patent Grant
3248867
Patent number
3,248,867
Issue date
May 3, 1966
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
3190066
Patent number
3,190,066
Issue date
Jun 22, 1965
G04 - HOROLOGY
Information
Patent Grant
3133405
Patent number
3,133,405
Issue date
May 19, 1964
G04 - HOROLOGY
Information
Patent Grant
3131323
Patent number
3,131,323
Issue date
Apr 28, 1964
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
3098681
Patent number
3,098,681
Issue date
Jul 23, 1963
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
3043089
Patent number
3,043,089
Issue date
Jul 10, 1962
G04 - HOROLOGY
Information
Patent Grant
3043090
Patent number
3,043,090
Issue date
Jul 10, 1962
G04 - HOROLOGY
Information
Patent Grant
3024590
Patent number
3,024,590
Issue date
Mar 13, 1962
G04 - HOROLOGY
Information
Patent Grant
3019594
Patent number
3,019,594
Issue date
Feb 6, 1962
G04 - HOROLOGY
Information
Patent Grant
3011304
Patent number
3,011,304
Issue date
Dec 5, 1961
G04 - HOROLOGY
Information
Patent Grant
2651168
Patent number
2,651,168
Issue date
Sep 8, 1953
G04 - HOROLOGY
Information
Patent Grant
2574430
Patent number
2,574,430
Issue date
Nov 6, 1951
G04 - HOROLOGY
Information
Patent Grant
2572632
Patent number
2,572,632
Issue date
Oct 23, 1951
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
2556110
Patent number
2,556,110
Issue date
Jun 5, 1951
G04 - HOROLOGY
Information
Patent Grant
2555408
Patent number
2,555,408
Issue date
Jun 5, 1951
G04 - HOROLOGY
Information
Patent Grant
2432416
Patent number
2,432,416
Issue date
Dec 9, 1947
G04 - HOROLOGY
Information
Patent Grant
2359458
Patent number
2,359,458
Issue date
Oct 3, 1944
G04 - HOROLOGY
Information
Patent Grant
2303365
Patent number
2,303,365
Issue date
Dec 1, 1942
G04 - HOROLOGY
Information
Patent Grant
2194508
Patent number
2,194,508
Issue date
Mar 26, 1940
G04 - HOROLOGY
Information
Patent Grant
2138442
Patent number
2,138,442
Issue date
Nov 29, 1938
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
2063976
Patent number
2,063,976
Issue date
Dec 15, 1936
G04 - HOROLOGY
Information
Patent Grant
2060531
Patent number
2,060,531
Issue date
Nov 10, 1936
G04 - HOROLOGY
Information
Patent Grant
2041342
Patent number
2,041,342
Issue date
May 19, 1936
G04 - HOROLOGY
Information
Patent Grant
2038396
Patent number
2,038,396
Issue date
Apr 21, 1936
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
2034498
Patent number
2,034,498
Issue date
Mar 17, 1936
G04 - HOROLOGY
Information
Patent Grant
2027944
Patent number
2,027,944
Issue date
Jan 14, 1936
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
2008105
Patent number
2,008,105
Issue date
Jul 16, 1935
G04 - HOROLOGY
Patents Applications
last 30 patents