NL4303C - - Google Patents

Info

Publication number: NL4303C
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.)

1916-02-07

Publication of NL4303C publication Critical patent/NL4303C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/40—Applications of speech amplifiers

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Interface Circuits In Exchanges (AREA)
Interconnected Communication Systems, Intercoms, And Interphones (AREA)

NL4303D 1916-02-07 NL4303C (cg-RX-API-DMAC10.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE514322X		1916-02-07

Publications (1)

Publication Number	Publication Date
NL4303C true NL4303C (cg-RX-API-DMAC10.html)

Family

ID=6548641

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL3296D NL3296C (cg-RX-API-DMAC10.html)	1916-02-07
NL4303D NL4303C (cg-RX-API-DMAC10.html)	1916-02-07

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL3296D NL3296C (cg-RX-API-DMAC10.html)	1916-02-07

Country Status (3)

Country	Link
DE (3)	DE347614C (cg-RX-API-DMAC10.html)
FR (2)	FR514322A (cg-RX-API-DMAC10.html)
NL (2)	NL4303C (cg-RX-API-DMAC10.html)

0
- NL NL3296D patent/NL3296C/xx active
- NL NL4303D patent/NL4303C/xx active
- DE DENDAT309946D patent/DE309946C/de active Active
- DE DENDAT295931D patent/DE295931C/de active Active
1917
- 1917-02-06 FR FR514322A patent/FR514322A/fr not_active Expired
- 1917-10-11 FR FR22370A patent/FR22370E/fr not_active Expired
1920
- 1920-10-21 DE DE1920347614D patent/DE347614C/de not_active Expired

Also Published As

Publication number	Publication date
DE295931C (cg-RX-API-DMAC10.html)
DE309946C (cg-RX-API-DMAC10.html)
NL3296C (cg-RX-API-DMAC10.html)
DE347614C (de)	1922-01-23
FR514322A (fr)	1921-03-08
FR22370E (fr)	1921-07-01

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