Patent US3371000A successfully refreshed from Google Patents.
US3371000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making integral multiple tobacco smoke filters
Assignee: Cigarette Components Ltd
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Filing: 1964-06-24
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Granted: 1968-02-27
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Expires: 1984-06-24
Abstract
No abstract record available.
Inventors
- 👤 Davenport Francis Robert
- 👤 Ruback Sydney
- 👤 Smith Brian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:58
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/02; A24D3/0204; A24D3/0212; A24D3/0225; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1031; Y10T156/1052; Y10T156/1084; Y10T156/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
A METHOD OF MANUFACTURING INTEGRAL MULTIPLE TOBACCO SMOKE FILTERS COMPRISING THE STEPS OF: (A) PROVIDING A WEB OF FILTER MATERIAL SELECTED FROM THE GROUP CONSISTING OF PAPER, BULKED YARN AND FILAMENTARY TOW, SAID WEB HAVING AN ELONGATED AXIS AND BEING CONTINUOUS IN THE DIRECTION OF SAID AXIS; (B) CONTINUOUSLY FEEDING SAID WEB IN THE DIRECTION OF SAID AXIS; (C) APPLYING AN ADDITIONAL MATERIAL CAPABLE OF MODIFYING SMOKE, TO SEPARATED ZONES OF SAID WEB DURING THE FEEDING OF SAID WEB TO DEFINE SPACED FIRST SECTIONS HAVING SAID ADDITIONAL MATERIAL APPLIED THERETO AND SECOND SECTIONS EXTENDING BETWEEN SUCCESSIVE FIRST SECTIONS DEVOID OF SAID ADDITIONAL MATERIAL; (D) GATHERING SAID WEB BEARING SAID ADDITIONAL MATERIAL INTO AN AXIALLY ELONGATED ROD WITH SAID FIRST SECTIONS BEING SPACED ALONG THE AXIS OF SAID ROD AND DURING SAID GATHERING DISPOSING PORTIONS OF SAID WEB THROUGHOUT ALL TRANSVERSE CROSS-SECTIONS OF SAID ROD AND ALONG THE FULL LENGTH OF SAID ROD AND DEFINING A TORTUOUS PATH AXIALLY OF SAID ROD BY SAID WEB AND SAID ADDITIONAL MATERIAL; AND (E) TRANSVERSELY CUTTING SAID ROD IN LENGTHS EACH HAVING AT LEAST A PORTION OF ONE FIRST SECTION AND AT LEAST A PORTION OF ONE SECOND SECTION.
Claim 2
Independent Claim
195 words
A METHOD OF MANUFACTURING INTEGRAL MULTIPLE TOBACCO SMOKE FILTERS COMPRISING THE STEPS OF: (A) PROVIDING A WEB OF FILTER MATERIAL SELECTED FROM THE GROUP CONSISTING OF PAPER, BULKED YARN AND FILAMENTARY TOW, SAID WEB HAVING AN ELONGATED AXIS AND BEING CONTINUOUS IN THE DIRECTION OF SAID AXIS; (B) CONTINUOUSLY FEEDING SAID WEB IN THE DIRECTION OF SAID AXIS; (C) APPLYING AN ADDITIONAL MATERIAL CAPABLE OF MODIFYING SMOKE, TO SEPARATED ZONES OF SAID WEB DURING THE FEEDING OF SAID WEB TO DEFINE SPACED FIRST SECTIONS HAVING SAID ADDITIONAL MATERIAL APPLIED THERETO AND SECOND SECTIONS EXTENDING BETWEEN SUCCESSIVE FIRST SECTIONS DEVOID OF SAID ADDITIONAL MATERIAL; (D) GATHERING SAID WEB BEARING SAID ADDITIONAL MATERIAL INTO AN AXIALLY ELONGATED ROD WITH SAID FIRST SECTIONS BEING SPACED ALONG THE AXIS OF SAID ROD AND DURING SAID GATHERING DISPOSING PORTIONS OF SAID WEB THROUGHOUT ALL TRANSVERSE CROSS-SECTIONS OF SAID ROD AND ALONG THE FULL LENGTH OF SAID ROD AND DEFINING A TORTUOUS PATH AXIALLY OF SAID ROD BY SAID WEB AND SAID ADDITIONAL MATERIAL; AND (E) TRANSVERSELY CUTTING SAID ROD IN LENGTHS EACH HAVING AT LEAST A PORTION OF ONE FIRST SECTION AND AT LEAST A PORTION OF ONE SECOND SECTION.
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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) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |