NL51033C - - Google Patents
Info
- Publication number
- NL51033C NL51033C NL51033DA NL51033C NL 51033 C NL51033 C NL 51033C NL 51033D A NL51033D A NL 51033DA NL 51033 C NL51033 C NL 51033C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Prepayment Telephone Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE214512X | 1938-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL51033C true NL51033C (en) |
Family
ID=5819107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL51033D NL51033C (en) | 1938-04-16 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2289507A (en) |
| CH (1) | CH214512A (en) |
| NL (1) | NL51033C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL59590C (en) * | 1939-08-04 | |||
| US2889404A (en) * | 1952-03-24 | 1959-06-02 | Oglietti Giovanni | Token-operated telephone for automatic local calls and automatic and manual long-distance calls |
| US3026982A (en) * | 1956-02-13 | 1962-03-27 | Brandt Automatic Cashier Co | Coin sorter |
-
0
- NL NL51033D patent/NL51033C/xx active
-
1939
- 1939-04-07 US US266529A patent/US2289507A/en not_active Expired - Lifetime
- 1939-04-15 CH CH214512D patent/CH214512A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2289507A (en) | 1942-07-14 |
| CH214512A (en) | 1941-04-30 |