Cigarette holder with tar-collecting insert
Abstract
Abstract A TAR-COLLECTING INSERT CONSISTING OF A FIRST AND A SECOND INSERT MEMBER, SAID FIRST INSERT MEMBER BEING INSERTED IN THE BORE OF THE CIGARETTE HOLDING MEMBER AND BEING FORMED WITH AN OPEN-TOPPED AND BOTTOM-PERFORATED WALLED CYLINDRICAL PIECE, A DETACHABLE COVER HAVING A CENTRAL NARROW THROUGH-HOLE AND A FLAT-TOPPED SOLID ROD EXTENDING AXIALLY AND CENTRALLY THROUGH SAID BOTTOM WAL, THE UPWARDLY EXTENDING PORTION OF SAID ROD LEAVING A NARROW CLEARANCE BETWEEN ITS FLAT TOP AND THE LOWER FACE OF SAID COVER, SAID FLAT TOP FACING SAID CENTRAL NARROW HOLE OF THE COVER, THE DOWNWARDLY EXTENDING PORTION BEING RECEIVED IN A BORE IN SAID SECOND INSERT MEMBER WHICH, IN TURN, IS INSERTED IN THE BORE OF THE MOUTHPIECE MEMBER AND IS HOLLOW AND CYLINDRICAL AND HAS A HELICAL THREAD PROVIDED INTEGRALLY AROUNG ITS EXTERNAL SURFACE TO PROVIDE A HELICAL PASSAGEWAY WITH THE INNER WALL OF THE MOUTHPIECE MEMBER.
Inventors
- 👤 Katuhisa Terasaki
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-07 | 1976-05-08 | 1976-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-07 | 1980-05-08 | 1980-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-07 | 1984-05-08 | 1984-11-07 | $7700.00 | Window Closed / Lapsed |