NL70954C - - Google Patents

Info

Publication number: NL70954C
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.)

1939-09-15

Publication of NL70954C publication Critical patent/NL70954C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Interface Circuits In Exchanges (AREA)
Developing Agents For Electrophotography (AREA)
Adhesives Or Adhesive Processes (AREA)

NL70954D 1939-09-15 NL70954C (US06653308-20031125-C00197.png)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US295012A US2293191A (en)	1939-09-15	1939-09-15	Telephone system

Publications (1)

Publication Number	Publication Date
NL70954C true NL70954C (US06653308-20031125-C00197.png)

Family

ID=23135853

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL137222D NL137222B (US06653308-20031125-C00197.png)	1939-09-15
NL70954D NL70954C (US06653308-20031125-C00197.png)	1939-09-15

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL137222D NL137222B (US06653308-20031125-C00197.png)	1939-09-15

Country Status (4)

Country	Link
US (1)	US2293191A (US06653308-20031125-C00197.png)
FR (1)	FR962198A (US06653308-20031125-C00197.png)
GB (1)	GB653002A (US06653308-20031125-C00197.png)
NL (2)	NL70954C (US06653308-20031125-C00197.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2465539A (en) *	1946-12-20	1949-03-29	Bell Telephone Labor Inc	Call failure signaling arrangement

0
- FR FR962198D patent/FR962198A/fr not_active Expired
- NL NL137222D patent/NL137222B/xx unknown
- NL NL70954D patent/NL70954C/xx active
1939
- 1939-09-15 US US295012A patent/US2293191A/en not_active Expired - Lifetime
1948
- 1948-02-20 GB GB5088/48A patent/GB653002A/en not_active Expired

Also Published As

Publication number	Publication date
FR962198A (US06653308-20031125-C00197.png)	1950-06-02
GB653002A (en)	1951-05-09
US2293191A (en)	1942-08-18
NL137222B (US06653308-20031125-C00197.png)

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