USB444614I5
Coal injection system
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 28 January 1992, 34.7 years ago.
- Priority and filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US2577632A | Cites | United States of America | Search report |
| US2881130A | Cites | United States of America | Search report |
| US2886421A | Cites | United States of America | Search report |
| US2941877A | Cites | United States of America | Search report |
| US3374052A | Cites | United States of America | Search report |
| US3847566A | Cites | United States of America | Search report |
2 priority claims, no other members on record
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 44461474 | United States of America | A | |
| US19740444614 | – | – | – |
Numbers
- Publication, DOCDB
- B444614
- Publication, EPODOC
- USB444614I
- Application
- 444614
- Application, DOCDB
- 44461474
- Application, EPODOC
- US19740444614
Classification
- CPC, 12
- C10J3/463
- C10J3/482
- C10J3/723
- C10J3/78
- C10J3/84
- C10J2300/093
- C10J2300/0946
- C10J2300/0956
- C10J2300/0959
- C10J2300/0976
- C10J2300/1606
- C10J2300/1807
- IPC, 1
- C10J3 50