NL25678C - - Google Patents

Info

Publication number: NL25678C
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.)

1927-05-11

Publication of NL25678C publication Critical patent/NL25678C/xx

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
- H04M17/026—Constructional features

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Computer Security & Cryptography (AREA)
Signal Processing (AREA)

NL25678D 1927-05-11 NL25678C (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE653547X		1927-05-11

Publications (1)

Publication Number	Publication Date
NL25678C true NL25678C (cg-RX-API-DMAC7.html)

Family

ID=6581840

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL25678D NL25678C (cg-RX-API-DMAC7.html)	1927-05-11

Country Status (3)

Country	Link
BE (1)	BE350899A (cg-RX-API-DMAC7.html)
FR (1)	FR653547A (cg-RX-API-DMAC7.html)
NL (1)	NL25678C (cg-RX-API-DMAC7.html)

0
- NL NL25678D patent/NL25678C/xx active
- BE BE350899D patent/BE350899A/xx unknown
1928
- 1928-04-28 FR FR653547D patent/FR653547A/fr not_active Expired

Also Published As

Publication number	Publication date
BE350899A (cg-RX-API-DMAC7.html)
FR653547A (fr)	1929-03-22

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