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DIFF Subgroup
A63B 49/02

Frames

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Stringed rackets, e.g. for tennis > Frames

CPC:

Stringed rackets, e.g. for tennis (strings therefor A63B51/00) > Frames

Of 16 combined children, 10 exist in both systems.

6 codes are CPC-only extensions.

Note: 6 CPC extensions are marked as secondary classification only.

Child Classifications

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  • A63B 2049/0205 2nd only CPC only CPC only
  • A63B 2049/0207 2nd only CPC only CPC only
  • A63B 2049/0211 2nd only CPC only CPC only
  • A63B 2049/0217 2nd only CPC only CPC only
  • A63B 49/022 String guides on frames, e.g. grommets since 2015 IPC+CPC Available in IPC and CPC
  • A63B 49/025 Means on frames for clamping string ends since 2015 IPC+CPC Available in IPC and CPC
  • A63B 49/028 Means for achieving greater mobility of the string bed since 2015 IPC+CPC Available in IPC and CPC
  • A63B 49/035 with easily dismountable parts, e.g. heads, shafts or grips since 2015 IPC+CPC Available in IPC and CPC
  • A63B 49/038 with head subframes for replacing strings since 2015 IPC+CPC Available in IPC and CPC
  • A63B 49/08 with special construction of the handle IPC+CPC Available in IPC and CPC
  • A63B 49/12 made of metal IPC+CPC Available in IPC and CPC
  • A63B 49/14 Protection devices on the frame IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class A63,2013–2023, worldwide · Source: EPO PATSTAT

  1. SANKYO 23,899
  2. SANYO PRODUCT COMPANY 23,718
  3. DAIICHI SHOKAI COMPANY 13,338
  4. KYORAKU SANGYO 10,447
  5. UNIVERSAL ENTERTAINMENT CORPORATION 9,545
  6. SANEI R & D COMPANY 9,135
  7. SAMMY CORPORATION 7,126
  8. NEWGIN CORPORATION 5,651
  9. NETEASE 4,877
  10. HEIWA CORPORATION 3,938

Top Applicants (CPC)

Class A63,2013–2023, worldwide · Source: EPO PATSTAT

  1. NETEASE 4,324
  2. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 3,255
  3. SONY INTERACTIVE ENTERTAINMENT JP 2,643
  4. TENCENT TECHNOLOGY (SHENZHEN) COMPANY CN 2,353
  5. UNIVERSAL CITY STUDIOS US 2,005
  6. KARSTEN MANUFACTURING CORPORATION US 1,883
  7. ACUSHNET COMPANY US 1,495
  8. MICROSOFT TECHNOLOGY LICENSING US 1,272
  9. NINTENDO COMPANY JP 1,260
  10. SONY CORPORATION JP 1,169