Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
  • B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
  • B21G3/00—Making pins, nails, or the like
  • B21G3/32—Feeding material to be worked to nail or pin making machines
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
  • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
  • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication

Landscapes

• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Mechanical Engineering (AREA)
• Telephonic Communication Services (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=3866045

Family Applications (1)

Country Status (5)

• 0
  • BE BE420107D patent/BE420107A/xx unknown
  • NL NL55281D patent/NL55281C/xx active
• 1938
  • 1938-01-18 GB GB1670/38A patent/GB498560A/en not_active Expired
  • 1938-02-18 FR FR834006D patent/FR834006A/fr not_active Expired
  • 1938-02-22 CH CH217635D patent/CH217635A/de unknown

Also Published As

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