Title:
Tobacco smoke filter elements
United States Patent 2900988
US Patent References:
/0964489.html
- - 0964489
Method of oiling cotton raw stock
- - 1550396
Manufacture or treatment of threads of artificial filaments
- - 1725829
Attachment for smoking devices
- - 2126422
Cigarette tip
- - 2171770
/0964489.html
- - 0964489
Method of oiling cotton raw stock
- - 1550396
Manufacture or treatment of threads of artificial filaments
- - 1725829
Attachment for smoking devices
- - 2126422
Cigarette tip
- - 2171770
Inventors:
Crawford, Robert T.
Stevens, Joel B.
Stevens, Joel B.
Publication Date:
08/25/1959
View Patent Images:
Export Citation:
Assignee:
EASTMAN KODAK CO
Primary Class:
International Classes:
A24D3/02; A24D3/14; B01D39/18; D02G1/12; D06M13/144; D06M13/224; A24D3/00; D06M13/00
US Patent References:
| 2221443 | Mouthpiece cigarette manufacture | |||
| 2228383 | Tobacco smoke filtering | |||
| 2252999 | Article and process for the manufacture thereof | |||
| 2483406 | Process and apparatus for producing fibrous materials | |||
| 2484003 | Parallel glass fiber unit | |||
| 2525997 | Yarn conditioning device | |||
| 2676128 | Process of preparing nonwoven fabric and product | |||
| 2688380 | Filter cartridge | |||
| 2707308 | Method of making a filter element | |||
| 2789563 | Filter elements |
Foreign References:
| GB665278A |