US3205791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mouthpieces for cigarettes
Assignee: Brown and Williamson Holdings Inc
•
Filing: 1963-05-22
•
Granted: 1965-09-14
•
Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 Goodfellow David Sydney
- 👤 Terry Arthur John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:23
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A METHOD FOR THE PRODUCTION OF A HOLLOW MOUTHPIECE FOR A CIGARETTE WHICH COMPRISES: LONGITUDINALLY CORRUGATING A STRIP OF DRY FLEXIBEL MATERIAL BY PASSING IT BETWEEN TWO INTERFITTED GROOVED PLATES WHOSE GROOVES EXTEND GENERALLY IN THE DIRECTION OF MOVEMENT OF SAID DRY STIRP AND WHICH CONVERGE AND BECOME DEEPER FROM THE ENTRY TO THE EXIT SIDE OF THE PLATES WHEREUPON THE STRIP IS PRELIMINARILY CORRUGATED AND READIED FOR SUBSEQUENT AND FINAL CORRUGATING, PASSING SAID DRY STRIP BETWEEN A PAIR OF INTERFITTED CIRCUMFERENTIALLY GROOVED ROLLS TO FURTHER SET SAID CORRUGATIONS SO AS TOFORM SMOOTH CORRUGATED SURFACES SUBSTANTIALLY FREE FROM CREASES, WRINKLES AND TEARS AND THEN APPLYING AN ADHERENT BACKING STRIP OF FLEXIBLE MATERIAL TO SAID DRY CORRUGATED STRIP AND SHAPING SAID ADHERING CORRUGATED AND BACKING STRIPS INTO CYLINDRICAL FORM WIT H THE BACKING STRIP ENCASING THE CORRUGATED STRIP.
Claim 2
Independent Claim
137 words
A METHOD FOR THE PRODUCTION OF A HOLLOW MOUTHPIECE FOR A CIGARETTE WHICH COMPRISES: LONGITUDINALLY CORRUGATING A STRIP OF DRY FLEXIBEL MATERIAL BY PASSING IT BETWEEN TWO INTERFITTED GROOVED PLATES WHOSE GROOVES EXTEND GENERALLY IN THE DIRECTION OF MOVEMENT OF SAID DRY STIRP AND WHICH CONVERGE AND BECOME DEEPER FROM THE ENTRY TO THE EXIT SIDE OF THE PLATES WHEREUPON THE STRIP IS PRELIMINARILY CORRUGATED AND READIED FOR SUBSEQUENT AND FINAL CORRUGATING, PASSING SAID DRY STRIP BETWEEN A PAIR OF INTERFITTED CIRCUMFERENTIALLY GROOVED ROLLS TO FURTHER SET SAID CORRUGATIONS SO AS TOFORM SMOOTH CORRUGATED SURFACES SUBSTANTIALLY FREE FROM CREASES, WRINKLES AND TEARS AND THEN APPLYING AN ADHERENT BACKING STRIP OF FLEXIBLE MATERIAL TO SAID DRY CORRUGATED STRIP AND SHAPING SAID ADHERING CORRUGATED AND BACKING STRIPS INTO CYLINDRICAL FORM WIT H THE BACKING STRIP ENCASING THE CORRUGATED STRIP.
References Cited (Backward Citations)
US1550084A
Cited
US2001709A
Cited
US2035398A
Cited
US2164702A
Cited
US2849932A
Cited
US3128680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |