BE380990A - - Google Patents
Info
- Publication number
- BE380990A BE380990A BE380990DA BE380990A BE 380990 A BE380990 A BE 380990A BE 380990D A BE380990D A BE 380990DA BE 380990 A BE380990 A BE 380990A
- 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
- H04M1/04—Supports for telephone transmitters or receivers
- H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH154962T | 1931-06-25 | ||
| BE380990T | 1931-06-30 | ||
| FR719295T | 1931-06-30 | ||
| GB19124/31A GB370755A (en) | 1931-06-25 | 1931-07-02 | Head rest for telephones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE380990A true BE380990A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1931-07-31 |
Family
ID=10124148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE380990D BE380990A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1931-06-25 | 1931-06-30 |
Country Status (4)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2413916A (en) * | 2004-05-07 | 2005-11-09 | John Marcus Stibbe | An over-the-head holder for a telephone handset |
-
1931
- 1931-06-25 CH CH154962D patent/CH154962A/de unknown
- 1931-06-30 FR FR719295D patent/FR719295A/fr not_active Expired
- 1931-06-30 BE BE380990D patent/BE380990A/xx unknown
- 1931-07-02 GB GB19124/31A patent/GB370755A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB370755A (en) | 1932-04-14 |
| CH154962A (de) | 1932-05-31 |
| FR719295A (fr) | 1932-02-03 |