NL23998C - - Google Patents

Info

Publication number
NL23998C
NL23998C NL23998DA NL23998C NL 23998 C NL23998 C NL 23998C NL 23998D A NL23998D A NL 23998DA NL 23998 C NL23998 C NL 23998C
Authority
NL
Netherlands
Application number
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.)
Publication of NL23998C publication Critical patent/NL23998C/xx

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)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Prepayment Telephone Systems (AREA)
NL23998D 1926-12-14 NL23998C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US282351XA 1926-12-14 1926-12-14

Publications (1)

Publication Number Publication Date
NL23998C true NL23998C (enrdf_load_stackoverflow)

Family

ID=21842294

Family Applications (1)

Application Number Title Priority Date Filing Date
NL23998D NL23998C (enrdf_load_stackoverflow) 1926-12-14

Country Status (6)

Country Link
US (1) US1730422A (enrdf_load_stackoverflow)
BE (1) BE346593A (enrdf_load_stackoverflow)
DE (1) DE543354C (enrdf_load_stackoverflow)
FR (1) FR637231A (enrdf_load_stackoverflow)
GB (1) GB282351A (enrdf_load_stackoverflow)
NL (1) NL23998C (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735891A (en) * 1956-02-21 Sengebusch
NL59590C (enrdf_load_stackoverflow) * 1939-08-04
US2460936A (en) * 1946-06-14 1949-02-08 American Telephone & Telegraph Portable coin collector for telephone systems
US2897271A (en) * 1950-01-28 1959-07-28 Siemens Ag Coin return in telephone pay stations
US2750447A (en) * 1951-05-31 1956-06-12 Automatic Elect Lab Paystation telephone system
US3455425A (en) * 1967-11-21 1969-07-15 Blackstone Corp Coin-operated switches and the like

Also Published As

Publication number Publication date
DE543354C (de) 1932-02-04
GB282351A (en) 1929-01-11
FR637231A (fr) 1928-04-25
US1730422A (en) 1929-10-08
BE346593A (enrdf_load_stackoverflow)

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