Patent US2644448A successfully refreshed from Google Patents.
Patent US3357321A successfully refreshed from Google Patents.
US3357321A
Expired / Lapsed
US
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Apparatus and process for making multisectional filter tips for cigarettes
Assignee: Liggett Group LLC
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Filing: 1965-07-08
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Granted: 1967-12-12
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Expires: 1985-07-08
Abstract
No abstract record available.
Inventors
- 👤 Hall Floyd Vanmeda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:14
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/02; A24D3/0204; A24D3/0212; A24D3/022; A24D3/0225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
APPARATUS FOR THE PRODUCTION OF CIGARETTE FILTER TIPS HAVING MULTI-SECTIONAL INTERNAL CONSTRUCTION, SAID APPARATUS COMPRISING MEANS FOR FEEDING A PLURALITY OF FILTER ELEMENTS OF DISPARATE LENGTHS INTO AN ALTERNATING SERIES; MEANS FOR RECEIVING AND CONVEYING THE ALTERNATING SERIES OF FILTER ELEMENTS THEREON; MEANS LOCATED IN SAID RECEIVING AND CONVEYING MEANS FOR LONGITUDINALLY ALIGNING THE FILTER ELEMENTS OF THE ALTERNATING SERIES OF FILTER ELEMENTS; MEANS FOR SPACING EACH FILTER ELEMENT OF THE ALTERNATING SERIES OF FILTER ELEMENTS AN EQUAL DISTANCE FROM THE PRECEDING AND SUCCEEDING FILTER ELEMENT IN THE ALTERNATING SERIES; MEANS FOR DELIVERING A CONTINUOUSLY GENERATED STRIP OF MOUTHPIECE PAPER UNDER SAID SPACING MEANS FOR RECEIVING THE EQUALLY SPACED FILTER ELEMENTS OF THE ALTERNATING SERIES OF FILTER ELEMENTS THEREON; MEANS LOCATED IN AXIAL ALIGNMENT WITH SAID SPACING MEANS FOR CONVEYING THE STRIP OF MOUTHPIECE PAPER WITH THE ALTERNATING SERIES OF EQUALLY SPACED FILTER ELEMENTS THEREON AWAY FROM SAID SPACING MEANS; MEANS POSITIONED OVER SAID CONVEYING MEANS IN ALIGNMENT WITH THE STRIP OF MOUTHPIECE PAPER OF INJECTING A PREDETERMINED CHARGE OF GRANULAR ADSORPTIVE-TYPE FILTER MATERIAL INTO EACH DETERMINATE SPACE BETWEEN SUCCESSIVE FILTER
Claim 2
Dependent Claim
181 words
APPARATUS FOR THE PRODUCTION OF CIGARETTE FILTER TIPS HAVING MULTI-SECTIONAL INTERNAL CONSTRUCTION, SAID APPARATUS COMPRISING MEANS FOR FEEDING A PLURALITY OF FILTER ELEMENTS OF DISPARATE LENGTHS INTO AN ALTERNATING SERIES; MEANS FOR RECEIVING AND CONVEYING THE ALTERNATING SERIES OF FILTER ELEMENTS THEREON; MEANS LOCATED IN SAID RECEIVING AND CONVEYING MEANS FOR LONGITUDINALLY ALIGNING THE FILTER ELEMENTS OF THE ALTERNATING SERIES OF FILTER ELEMENTS; MEANS FOR SPACING EACH FILTER ELEMENT OF THE ALTERNATING SERIES OF FILTER ELEMENTS AN EQUAL DISTANCE FROM THE PRECEDING AND SUCCEEDING FILTER ELEMENT IN THE ALTERNATING SERIES; MEANS FOR DELIVERING A CONTINUOUSLY GENERATED STRIP OF MOUTHPIECE PAPER UNDER SAID SPACING MEANS FOR RECEIVING THE EQUALLY SPACED FILTER ELEMENTS OF THE ALTERNATING SERIES OF FILTER ELEMENTS THEREON; MEANS LOCATED IN AXIAL ALIGNMENT WITH SAID SPACING MEANS FOR CONVEYING THE STRIP OF MOUTHPIECE PAPER WITH THE ALTERNATING SERIES OF EQUALLY SPACED FILTER ELEMENTS THEREON AWAY FROM SAID SPACING MEANS; MEANS POSITIONED OVER SAID CONVEYING MEANS IN ALIGNMENT WITH THE STRIP OF MOUTHPIECE PAPER OF INJECTING A PREDETERMINED CHARGE OF GRANULAR ADSORPTIVE-TYPE FILTER MATERIAL INTO EACH DETERMINATE SPACE BETWEEN SUCCESSIVE FILTER
References Cited (Backward Citations)
US3131612A
Cited
US3308832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |