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CPC
G04C21/30
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Parent Industries
G
PHYSICS
G04
Horology
G04C
ELECTROMECHANICAL CLOCKS OR WATCHES
G04C21/00
Producing acoustic time signals by electrical means
Current Industry
G04C21/30
with provision for a number of operations at different times
Industries
Overview
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People
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Patents Grants
last 30 patents
Information
Patent Grant
Medication reminder
Patent number
6,325,534
Issue date
Dec 4, 2001
Tarwa L. Hawley
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Bell-striking clock
Patent number
4,276,625
Issue date
Jun 30, 1981
Kundo - Kieninger + Obergfell
Rudolf Broghammer
G04 - HOROLOGY
Information
Patent Grant
Device for electroconductive connection and reading
Patent number
4,044,229
Issue date
Aug 23, 1977
Nikolay Samreus
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Device for electroconductive connection and reading
Patent number
3,934,120
Issue date
Jan 20, 1976
Nikolay Maymarev
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
3783599
Patent number
3,783,599
Issue date
Jan 8, 1974
G04 - HOROLOGY
Information
Patent Grant
3678678
Patent number
3,678,678
Issue date
Jul 25, 1972
G04 - HOROLOGY
Information
Patent Grant
3530463
Patent number
3,530,463
Issue date
Sep 22, 1970
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
3454730
Patent number
3,454,730
Issue date
Jul 8, 1969
G04 - HOROLOGY
Information
Patent Grant
3393272
Patent number
3,393,272
Issue date
Jul 16, 1968
G08 - SIGNALLING
Information
Patent Grant
3341841
Patent number
3,341,841
Issue date
Sep 12, 1967
G08 - SIGNALLING
Information
Patent Grant
3246463
Patent number
3,246,463
Issue date
Apr 19, 1966
G04 - HOROLOGY
Information
Patent Grant
3233401
Patent number
3,233,401
Issue date
Feb 8, 1966
G04 - HOROLOGY
Information
Patent Grant
3158853
Patent number
3,158,853
Issue date
Nov 24, 1964
G04 - HOROLOGY
Information
Patent Grant
3095485
Patent number
3,095,485
Issue date
Jun 25, 1963
G04 - HOROLOGY
Information
Patent Grant
2867274
Patent number
2,867,274
Issue date
Jan 6, 1959
G04 - HOROLOGY
Information
Patent Grant
2642490
Patent number
2,642,490
Issue date
Jun 16, 1953
G04 - HOROLOGY
Information
Patent Grant
2625222
Patent number
2,625,222
Issue date
Jan 13, 1953
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2495462
Patent number
2,495,462
Issue date
Jan 24, 1950
G04 - HOROLOGY
Information
Patent Grant
2380943
Patent number
2,380,943
Issue date
Aug 7, 1945
G04 - HOROLOGY
Information
Patent Grant
2162166
Patent number
2,162,166
Issue date
Jun 13, 1939
G04 - HOROLOGY
Information
Patent Grant
2098965
Patent number
2,098,965
Issue date
Nov 16, 1937
G04 - HOROLOGY
Information
Patent Grant
2042875
Patent number
2,042,875
Issue date
Jun 2, 1936
G04 - HOROLOGY
Information
Patent Grant
2029667
Patent number
2,029,667
Issue date
Feb 4, 1936
G04 - HOROLOGY
Information
Patent Grant
2014754
Patent number
2,014,754
Issue date
Sep 17, 1935
G04 - HOROLOGY
Information
Patent Grant
1982982
Patent number
1,982,982
Issue date
Dec 4, 1934
G04 - HOROLOGY
Information
Patent Grant
1948850
Patent number
1,948,850
Issue date
Feb 27, 1934
G04 - HOROLOGY
Information
Patent Grant
1922572
Patent number
1,922,572
Issue date
Aug 15, 1933
G04 - HOROLOGY
Information
Patent Grant
1916769
Patent number
1,916,769
Issue date
Jul 4, 1933
G04 - HOROLOGY
Information
Patent Grant
1908424
Patent number
1,908,424
Issue date
May 9, 1933
G04 - HOROLOGY
Information
Patent Grant
1884322
Patent number
1,884,322
Issue date
Oct 25, 1932
G04 - HOROLOGY
Patents Applications
last 30 patents
Information
Patent Application
PAINT APPLICATOR
Publication number
20120087712
Publication date
Apr 12, 2012
Black & Decker Inc.
Andrew WALKER
G04 - HOROLOGY