US854516A
Dust-collector.
Abstract
This record has no abstract on file.
Term
Term ended
Expired 21 May 1924, 102.3 years ago.
- Priority and filed
- Granted
- Expired
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US2929501A | Cited by | United States of America | Search report |
| US3883332A | Cited by | United States of America | Search report |
Numbers
- Application
- 220998
Titles
- English
- DUST-COLLECTOR.
Classification
- CPC, 2
- B01D45/12
- B04C5/103