US1156468A
Brick chimney structure.
Abstract
This record has no abstract on file.
Term
Term ended
Expired 12 October 1932, 93.9 years ago.
- Priority and filed
- Granted
- Expired
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US2664837A | Cited by | United States of America | Search report |
| US2014053493A1 | Cited by | United States of America | Pre-grant |
| US9315992B2 | Cited by | United States of America | Search report |
Numbers
- Application
- 835880
Titles
- English
- BRICK CHIMNEY STRUCTURE.
Classification
- CPC, 1
- E04H7/18