NL23998C - - Google Patents

Info

Publication number: NL23998C
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.)

1926-12-14

Publication of NL23998C publication Critical patent/NL23998C/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

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_html_response)

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_html_response)

Family

ID=21842294

Family Applications (1)

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

Country Status (6)

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

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_html_response) *	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

0
- BE BE346593D patent/BE346593A/xx unknown
- US US1730422D patent/US1730422A/en not_active Expired - Lifetime
- NL NL23998D patent/NL23998C/xx active
1927
- 1927-05-10 DE DEH111353D patent/DE543354C/de not_active Expired
- 1927-07-08 FR FR637231D patent/FR637231A/fr not_active Expired
- 1927-10-11 GB GB26941/27A patent/GB282351A/en not_active Expired

Also Published As

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

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