US1978006A
Bit
Abstract
This record has no abstract on file.
Term
Term ended
Expired 23 October 1951, 74.9 years ago.
- Priority and filed
- Granted
- Expired
- Today
2 sheets
Sheet 1 Sheet 2
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| EP0874128A2 | Cited by | European Patent Office (EPO) | Search report |
| US8061455B2 | Cited by | United States of America | Search report |
| US2010212964A1 | Cited by | United States of America | Pre-grant |
| US6142250A | Cited by | United States of America | Search report |
| EP0874128A3 | Cited by | European Patent Office (EPO) | Search report |
| US11795763B2 | Cited by | United States of America | Applicant |
| US3415332A | Cited by | United States of America | Search report |
1 member in 1 office
Members1
| Document | Office | Kind | |
|---|---|---|---|
| US1978006AThis record | United States of America | A |
Numbers
- Application
- 585469
Titles
- English
- Bit
Classification
- CPC, 3
- E21B10/627
- E21B10/006
- E21B10/26
- IPC, 4
- E21B10 00
- E21B10 26
- E21B10 62
- E21B10 627