NL25229C - - Google Patents

Info

Publication number: NL25229C
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.)

1927-06-25

Publication of NL25229C publication Critical patent/NL25229C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Telephone Set Structure (AREA)

NL25229D 1927-06-25 NL25229C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE292903X		1927-06-25

Publications (1)

Publication Number	Publication Date
NL25229C true NL25229C (enrdf_load_stackoverflow)

Family

ID=6076048

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL25229D NL25229C (enrdf_load_stackoverflow)	1927-06-25

Country Status (4)

Country	Link
BE (1)	BE350207A (enrdf_load_stackoverflow)
FR (1)	FR652090A (enrdf_load_stackoverflow)
GB (1)	GB292903A (enrdf_load_stackoverflow)
NL (1)	NL25229C (enrdf_load_stackoverflow)

0
- BE BE350207D patent/BE350207A/xx unknown
- NL NL25229D patent/NL25229C/xx active
1928
- 1928-03-24 GB GB8987/28A patent/GB292903A/en not_active Expired
- 1928-04-03 FR FR652090D patent/FR652090A/fr not_active Expired

Also Published As

Publication number	Publication date
BE350207A (enrdf_load_stackoverflow)
GB292903A (en)	1929-03-21
FR652090A (fr)	1929-03-04

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