US1870518A
Electric protective system
Abstract
This record has no abstract on file.
Term
Term ended
Expired 9 August 1949, 77.1 years ago.
- Priority
- Filed
- Granted
- Expired
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US2804578A | Cited by | United States of America | Search report |
| US2995684A | Cited by | United States of America | Search report |
| US3036243A | Cited by | United States of America | Search report |
| US2439944A | Cited by | United States of America | Search report |
1 priority claim, no other members on record
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 1870518X | United Kingdom | A |
Numbers
- Application
- 377563
Titles
- English
- Electric protective system
Classification
- CPC, 1
- H02H7/30
- IPC, 1
- H02H7 30