US3318312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cigarette assembly
Assignee: Individual
•
Filing: 1964-07-27
•
Granted: 1967-05-09
•
Expires: 1984-07-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph A Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:14
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/04; A24D3/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
227 words
A CIGARETTE INCLUDING AN ASSEMBLY, COMPRISING: (A) A WRAPPER IN WHICH TOBACCO IS CONTAINED FROM TIP TO MOUTHPIECE THEREOF; (B) A FIRST PLUG OF POROUS FILTER MATERIAL DISPOSED IN SAID MOUTHPIECE REARWARDLY OF SAID TOBACCO; (C) A FIRST PART OF SAID ASSEMBLY DISPOSED IN SAID MOUTHPIECE REARWARDLY OF SAID FIRST PLUG, WHICH FIRST PART INCLUDES A CONCAVE-CONVEX WEB HAVING A FIRST CYLINDRICAL FLANGE EXTENDING REARWARDLY THEREFROM THAT IS IN ABUTTING CONTACT WITH THE INTERIOR SURFACE OF SAID MOUTHPIECE AND ADHERED THERETO, WITH SAID WEB HAVING AN ORIFICE FORMED THEREIN, WITH THE FORWARD EDGE OF SAID FIRST FLANGE BEING IN ABUTTING CONTACT WITH THE REAR SURFACE OF SAID FIRST PLUG TO PERMIT SAID WEB AND FIRST PLUG TO DEFINE A FIRST CONFINED SPACE THAT IS MAINTAINED AT A NEGATIVE PRESSURE WHEN A SMOKER DRAWS ON SAID CIGARETTE, WHICH NEGATIVE PRESSURE CAUSES SMOKE FROM SAID TOBACCO TO BE DRAWN UNIFORMLY THROUGH THE ENTIRE TRANSVERSE AREA OF SAID FIRST PLUG TO OBTAIN A MAXIMUM FILTERING ACTION FROM SAID FIRST PLUG, AND WITH SAID SMOKE DISCHARGING REARWARDLY FROM SAID ORIFICE AS A HIGH VELOCITY JET; AND (D) A SECOND PART OF SAID ASSEMBLY DISPOSED IN SAID MOUTHPIECE REARWARDLY OF SAID FIRST PART AND IN ABUTTING CONTACT WITH THE REAR EDGE OF SAID FIRST FLANGE, WHICH SECOND PART INCLUDES A CYLINDRICAL FLANGE THAT IS ADHERED TO THE INTERIOR SURFACE OF SAID MOUTHPIECE,
Claim 2
Dependent Claim
227 words
A CIGARETTE INCLUDING AN ASSEMBLY, COMPRISING: (A) A WRAPPER IN WHICH TOBACCO IS CONTAINED FROM TIP TO MOUTHPIECE THEREOF; (B) A FIRST PLUG OF POROUS FILTER MATERIAL DISPOSED IN SAID MOUTHPIECE REARWARDLY OF SAID TOBACCO; (C) A FIRST PART OF SAID ASSEMBLY DISPOSED IN SAID MOUTHPIECE REARWARDLY OF SAID FIRST PLUG, WHICH FIRST PART INCLUDES A CONCAVE-CONVEX WEB HAVING A FIRST CYLINDRICAL FLANGE EXTENDING REARWARDLY THEREFROM THAT IS IN ABUTTING CONTACT WITH THE INTERIOR SURFACE OF SAID MOUTHPIECE AND ADHERED THERETO, WITH SAID WEB HAVING AN ORIFICE FORMED THEREIN, WITH THE FORWARD EDGE OF SAID FIRST FLANGE BEING IN ABUTTING CONTACT WITH THE REAR SURFACE OF SAID FIRST PLUG TO PERMIT SAID WEB AND FIRST PLUG TO DEFINE A FIRST CONFINED SPACE THAT IS MAINTAINED AT A NEGATIVE PRESSURE WHEN A SMOKER DRAWS ON SAID CIGARETTE, WHICH NEGATIVE PRESSURE CAUSES SMOKE FROM SAID TOBACCO TO BE DRAWN UNIFORMLY THROUGH THE ENTIRE TRANSVERSE AREA OF SAID FIRST PLUG TO OBTAIN A MAXIMUM FILTERING ACTION FROM SAID FIRST PLUG, AND WITH SAID SMOKE DISCHARGING REARWARDLY FROM SAID ORIFICE AS A HIGH VELOCITY JET; AND (D) A SECOND PART OF SAID ASSEMBLY DISPOSED IN SAID MOUTHPIECE REARWARDLY OF SAID FIRST PART AND IN ABUTTING CONTACT WITH THE REAR EDGE OF SAID FIRST FLANGE, WHICH SECOND PART INCLUDES A CYLINDRICAL FLANGE THAT IS ADHERED TO THE INTERIOR SURFACE OF SAID MOUTHPIECE,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |