BE343768A - - Google Patents
Info
- Publication number
- BE343768A BE343768A BE343768DA BE343768A BE 343768 A BE343768 A BE 343768A BE 343768D A BE343768D A BE 343768DA BE 343768 A BE343768 A BE 343768A
- Authority
- BE
- Belgium
Links
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
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Credit Cards Or The Like (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US34081A US1719992A (en) | 1925-06-01 | 1925-06-01 | Calling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE343768A true BE343768A (cs) |
Family
ID=21874178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE343768D BE343768A (cs) | 1925-06-01 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1719992A (cs) |
| BE (1) | BE343768A (cs) |
| GB (1) | GB252674A (cs) |
-
0
- BE BE343768D patent/BE343768A/xx unknown
-
1925
- 1925-06-01 US US34081A patent/US1719992A/en not_active Expired - Lifetime
-
1926
- 1926-02-27 GB GB5618/26A patent/GB252674A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1719992A (en) | 1929-07-09 |
| GB252674A (en) | 1927-05-27 |