SE89578C1 - - Google Patents
Info
- Publication number
- SE89578C1 SE89578C1 SE183835A SE183835A SE89578C1 SE 89578 C1 SE89578 C1 SE 89578C1 SE 183835 A SE183835 A SE 183835A SE 183835 A SE183835 A SE 183835A SE 89578 C1 SE89578 C1 SE 89578C1
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL2148915X | 1934-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE89578C1 true SE89578C1 (US07714131-20100511-C00038.png) | 1937-06-29 |
Family
ID=19995703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE183835A SE89578C1 (US07714131-20100511-C00038.png) | 1934-04-28 | 1935-04-26 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2148915A (US07714131-20100511-C00038.png) |
| SE (1) | SE89578C1 (US07714131-20100511-C00038.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2579469A (en) * | 1939-03-24 | 1951-12-25 | Int Standard Electric Corp | Revertive calling party line system |
-
1935
- 1935-04-24 US US17962A patent/US2148915A/en not_active Expired - Lifetime
- 1935-04-26 SE SE183835A patent/SE89578C1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2148915A (en) | 1939-02-28 |
