NL16961C - - Google Patents
Info
- Publication number
- NL16961C NL16961C NL16961DA NL16961C NL 16961 C NL16961 C NL 16961C NL 16961D A NL16961D A NL 16961DA NL 16961 C NL16961 C NL 16961C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US862463A US1438170A (en) | 1914-09-19 | 1914-09-19 | Telephone system with flickering recall |
| US15835A US1439071A (en) | 1914-09-19 | 1915-03-20 | Secret-service cord circuits |
| US590760A US1505089A (en) | 1914-09-19 | 1922-09-27 | Telephone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL16961C true NL16961C (en:Method) |
Family
ID=27360429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL16961D NL16961C (en:Method) | 1914-09-19 |
Country Status (2)
| Country | Link |
|---|---|
| US (2) | US1439071A (en:Method) |
| NL (1) | NL16961C (en:Method) |
-
0
- NL NL16961D patent/NL16961C/xx active
-
1915
- 1915-03-20 US US15835A patent/US1439071A/en not_active Expired - Lifetime
-
1922
- 1922-09-27 US US590760A patent/US1505089A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1505089A (en) | 1924-08-19 |
| US1439071A (en) | 1922-12-19 |