FR28095E - Conversation telephone counter - Google Patents

Conversation telephone counter

Info

Publication number
FR28095E
FR28095E FR28095DA FR28095E FR 28095 E FR28095 E FR 28095E FR 28095D A FR28095D A FR 28095DA FR 28095 E FR28095 E FR 28095E
Authority
FR
France
Prior art keywords
telephone counter
conversation telephone
conversation
counter
telephone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Robert Ferry
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR28095E publication Critical patent/FR28095E/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR28095D 1923-04-27 1923-04-27 Conversation telephone counter Expired FR28095E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR28095T 1923-04-27

Publications (1)

Publication Number Publication Date
FR28095E true FR28095E (en) 1925-01-14

Family

ID=8666318

Family Applications (5)

Application Number Title Priority Date Filing Date
FR513880A Expired FR513880A (en) 1923-04-27 1920-01-20 Conversation telephone counter
FR22720A Expired FR22720E (en) 1923-04-27 1920-01-31 Conservation telephone counter
FR24119A Expired FR24119E (en) 1923-04-27 1920-11-19 Conversation telephone counter
FR26042D Expired FR26042E (en) 1923-04-27 1922-02-25 Conversation telephone counter
FR28095D Expired FR28095E (en) 1923-04-27 1923-04-27 Conversation telephone counter

Family Applications Before (4)

Application Number Title Priority Date Filing Date
FR513880A Expired FR513880A (en) 1923-04-27 1920-01-20 Conversation telephone counter
FR22720A Expired FR22720E (en) 1923-04-27 1920-01-31 Conservation telephone counter
FR24119A Expired FR24119E (en) 1923-04-27 1920-11-19 Conversation telephone counter
FR26042D Expired FR26042E (en) 1923-04-27 1922-02-25 Conversation telephone counter

Country Status (1)

Country Link
FR (5) FR513880A (en)

Also Published As

Publication number Publication date
FR513880A (en) 1921-02-25
FR24119E (en) 1922-02-24
FR22720E (en) 1921-08-10
FR26042E (en) 1923-07-18

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