NL35621C - - Google Patents
Info
- Publication number
- NL35621C NL35621C NL35621DA NL35621C NL 35621 C NL35621 C NL 35621C NL 35621D A NL35621D A NL 35621DA NL 35621 C NL35621 C NL 35621C
- Authority
- NL
- Netherlands
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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE399202X | 1931-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL35621C true NL35621C (fr) |
Family
ID=6397458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL35621D NL35621C (fr) | 1931-04-04 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1917724A (fr) |
| BE (1) | BE387570A (fr) |
| FR (1) | FR734592A (fr) |
| GB (1) | GB399202A (fr) |
| NL (1) | NL35621C (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2443799A (en) * | 1943-06-02 | 1948-06-22 | Ericsson Telefon Ab L M | Cradle-type telephone subset |
| US2433295A (en) * | 1944-11-10 | 1947-12-23 | Automatic Elect Lab | Loud-speaker telephone set |
| US2686848A (en) * | 1951-06-11 | 1954-08-17 | Arthur H Wicknick | Handset cradling attachment for telephones |
| BE541779A (fr) * | 1954-10-05 | |||
| US4790008A (en) * | 1986-04-18 | 1988-12-06 | American Telephone And Telegraph Company | Telephone line switch apparatus |
-
0
- NL NL35621D patent/NL35621C/xx active
- BE BE387570D patent/BE387570A/xx unknown
-
1932
- 1932-03-30 GB GB9159/32A patent/GB399202A/en not_active Expired
- 1932-04-02 FR FR734592D patent/FR734592A/fr not_active Expired
- 1932-05-07 US US609888A patent/US1917724A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1917724A (en) | 1933-07-11 |
| FR734592A (fr) | 1932-10-24 |
| BE387570A (fr) | |
| GB399202A (en) | 1933-10-02 |