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DIFF Main Group
G04B 45/00

Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects (ornamental shaping of dials G04B19/10 )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Time-pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effect

CPC: Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects (ornamental shaping of dials G04B19/10 )

Full Title

Full titles differ between systems:

IPC:

Time-pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effect

CPC:

Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects (ornamental shaping of dials G04B19/10 )

CPC subdivides this area 5x more granularly than IPC with 8 additional codes.

8 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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Top Applicants

Top Applicants (IPC)

Class G04,2013–2023, worldwide · Source: EPO PATSTAT

  1. THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 1,570
  2. ETA SA MANUFACTURE HORLOGERE SUISSE CH 1,409
  3. CASIO COMPUTER COMPANY 1,172
  4. SEIKO EPSON CORPORATION 1,100
  5. SAMSUNG ELECTRONICS COMPANY KR 768
  6. NIVAROX-FAR CH 750
  7. MONTRES BREGUET CH 707
  8. APPLE US 706
  9. SEIKO EPSON CORPORATION JP 648
  10. CITIZEN WATCH COMPANY 578

Top Applicants (CPC)

Class G04,2013–2023, worldwide · Source: EPO PATSTAT

  1. THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 1,705
  2. ETA SA MANUFACTURE HORLOGERE SUISSE CH 1,443
  3. SAMSUNG ELECTRONICS COMPANY KR 1,104
  4. APPLE US 1,038
  5. SEIKO EPSON CORPORATION 875
  6. NIVAROX-FAR CH 781
  7. CASIO COMPUTER COMPANY 734
  8. MONTRES BREGUET CH 715
  9. SEIKO EPSON CORPORATION JP 715
  10. OMEGA CH 555