FR525733A - Improvements to automatic cash-in telephone sets - Google Patents

Improvements to automatic cash-in telephone sets

Info

Publication number
FR525733A
FR525733A FR525733A FR525733DA FR525733A FR 525733 A FR525733 A FR 525733A FR 525733 A FR525733 A FR 525733A FR 525733D A FR525733D A FR 525733DA FR 525733 A FR525733 A FR 525733A
Authority
FR
France
Prior art keywords
telephone sets
automatic cash
cash
automatic
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
FR525733A
Other languages
French (fr)
Inventor
George Alexander Long
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23515774&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR525733(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR525733A publication Critical patent/FR525733A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
FR525733A 1920-05-25 1920-10-08 Improvements to automatic cash-in telephone sets Expired FR525733A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US384040A US1383472A (en) 1920-05-25 1920-05-25 Automatic telephone pay-station
GB28338/20A GB178141A (en) 1920-05-25 1920-10-06 Improvements in automatic telephone pay station
FR525733T 1920-10-08

Publications (1)

Publication Number Publication Date
FR525733A true FR525733A (en) 1921-09-27

Family

ID=23515774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR525733A Expired FR525733A (en) 1920-05-25 1920-10-08 Improvements to automatic cash-in telephone sets

Country Status (3)

Country Link
US (1) US1383472A (en)
FR (1) FR525733A (en)
GB (1) GB178141A (en)

Also Published As

Publication number Publication date
GB178141A (en) 1922-04-06
US1383472A (en) 1921-07-05

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