US1663375A
Transportation system
Abstract
This record has no abstract on file.
Term
Term ended
Expired 20 March 1945, 81.5 years ago.
- Priority and filed
- Granted
- Expired
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US6402199B1 | Cited by | United States of America | Applicant |
| US3172371A | Cited by | United States of America | Search report |
| US4113118A | Cited by | United States of America | Search report |
Numbers
- Application
- 458471
Titles
- English
- Transportation system
Classification
- CPC, 1
- B60P7/13
- IPC, 1
- B60P7 13