Patent US5058114A successfully refreshed from Google Patents.
Patent US3308832A successfully refreshed from Google Patents.
US3308832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing filter cigarettes and the like
Assignee: Körber AG
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Filing: 1964-07-21
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Granted: 1967-03-14
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Expires: 1984-07-21
Abstract
No abstract record available.
Inventors
- 👤 Stelzer Carl
- 👤 Schubert Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:28
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/47; A24C5/475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A METHOD OF PRODUCING COMPOSITE MOUTHPIECES FOR FILTER CIGARETTES AND THE LIKE, COMPRISING THE STEPS OF ARRANGING A FIRST ROD-SHAPED MEMBER WHICH CONSTITUTES A FILTER FOR TOBACCO SMOKE AND IS FREE OF TOBACCO IN AXIAL ALIGNMENT WITH BUT AT A PREDETERMINED DISTANCE FROM A SECOND ROD-SHAPED MEMBER WHEREBY SAID ROD-SHAPED MEMBERS ARE SEPARATED BY A GAP; APPLYING AROUND PORTIONS OF SAID ROD-SHAPED MEMBERS AN ADHESIVE-COATED WRAPPER TO TRANSFORM SAID GAP INTO AN OPEN-SIDED POCKET; INTRODUCING INTO SAID OPEN-SIDED POCKET A FREE-FLOWING STREAM OF DISCRETE PARTICLES OF A FLOWABLE FILTER MATERIAL WHICH IS FREE OF TOBACCO SO THAT THE POCKET IS AT LEAST PARTIALLY FILLED WITH SUCH FLOWABLE FILTER MATERIAL; CONVOLUTING THE WRAPPER AROUND SAID ROD-SHAPED MEMBERS TO SEAL SAID POCKET WHEREBY SAID FLOWABLE FILTER MATERIAL IS ENTRAPPED IN THE POCKET TO FORM A FILTER FOR TOBACCO SMOKE WHICH, TOGETHER WITH SAID FIRST ROD-SHAPED MEMBER, CONSTITUTES A COMPOSITE MOUTHPIECE; AND MOVING SAID ROD-SHAPED MEMBERS SIDEWAYS, AT THE SAME SPEED, AND IN THE SAME DIRECTION PRIOR TO AND FOLLOWING THE INTRODUCTION OF SAID FLOWABLE FILTER MATERIAL.
Claim 2
Independent Claim
174 words
A METHOD OF PRODUCING COMPOSITE MOUTHPIECES FOR FILTER CIGARETTES AND THE LIKE, COMPRISING THE STEPS OF ARRANGING A FIRST ROD-SHAPED MEMBER WHICH CONSTITUTES A FILTER FOR TOBACCO SMOKE AND IS FREE OF TOBACCO IN AXIAL ALIGNMENT WITH BUT AT A PREDETERMINED DISTANCE FROM A SECOND ROD-SHAPED MEMBER WHEREBY SAID ROD-SHAPED MEMBERS ARE SEPARATED BY A GAP; APPLYING AROUND PORTIONS OF SAID ROD-SHAPED MEMBERS AN ADHESIVE-COATED WRAPPER TO TRANSFORM SAID GAP INTO AN OPEN-SIDED POCKET; INTRODUCING INTO SAID OPEN-SIDED POCKET A FREE-FLOWING STREAM OF DISCRETE PARTICLES OF A FLOWABLE FILTER MATERIAL WHICH IS FREE OF TOBACCO SO THAT THE POCKET IS AT LEAST PARTIALLY FILLED WITH SUCH FLOWABLE FILTER MATERIAL; CONVOLUTING THE WRAPPER AROUND SAID ROD-SHAPED MEMBERS TO SEAL SAID POCKET WHEREBY SAID FLOWABLE FILTER MATERIAL IS ENTRAPPED IN THE POCKET TO FORM A FILTER FOR TOBACCO SMOKE WHICH, TOGETHER WITH SAID FIRST ROD-SHAPED MEMBER, CONSTITUTES A COMPOSITE MOUTHPIECE; AND MOVING SAID ROD-SHAPED MEMBERS SIDEWAYS, AT THE SAME SPEED, AND IN THE SAME DIRECTION PRIOR TO AND FOLLOWING THE INTRODUCTION OF SAID FLOWABLE FILTER MATERIAL.
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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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |