Smoking pipe
Abstract
The device comprises a combustion chamber into which smoking material is disposed for burning, and has means for igniting the smoking material. A first conduit communicates the combustion chamber with a conduit-terminating mouthpiece, and a second conduit communicates the combustion chamber with an air pump. Accordingly, the combustion chamber is intermediate the pump and the mouthpiece, so that the pump forces air through the second conduit, to and through the chamber, and to and through the first conduit, serially. In one embodiment of the device, a water chamber is interposed between the combustion chamber and the mouthpiece to serve as a smoke washing filter.

Term
Term ended
Expired 16 April 1991, 35.4 years ago.
- Priority and filed
- Granted
- Expired
- Today
2 sheets
Sheet 1 Sheet 2
Every citation, both ways
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3 priority claims, no other members on record
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 20090571 | United States of America | A | |
| 00200905 | – | – | – |
| US19710200905 | – | – | – |
Numbers
- Publication, DOCDB
- 3804100
- Publication, EPODOC
- US3804100
- Application
- 200905
- Application, DOCDB
- 20090571
- Application, EPODOC
- US19710200905
Titles
- English
- SMOKING PIPE
Classification
- CPC, 2
- A24F3/00
- A24F1/14
- IPC, 2
- A24F1 14
- A24F3 00