US2964440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing tobacco smoke
Assignee: —
•
Filing: —
•
Granted: 1960-12-13
•
Expires: 1977-12-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:44
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/20; B29C70/202; A; A24; A24D; A24D3/00; A24D3/02; A24D3/0204; A24D3/0212; D; D02; D02G; D02G1/00; D02G1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
THE METHOD OF MAKING TOBACCO SMOKE FILTER ELEMENTS FROM PACKAGES OF CRIMPED, SUBSTANTIALLY CONTINOUS TOWS OF ABOUT 4,000 TO 100,000 INDIVIDUAL FILAMENTS OF A SIZE THAT THE TOTAL DENIER OF THE TOW IS BETWEEN 40,000 AND 125,000, WHICH COMPRISES UNWINDING THE PACKAGES BY PASSING THE CONTINUOUS FILAMENTS FROM THE PACKAGES THROUGH ROTATING DRAW ROLLS, ROTATING SO AS TO DRAW THE FILAMENTS FROM THE PACKAGE AS WELL AS SPREAD OUT THE FILAMENTS INTO A BAND, PLACING A PNEUMATIC SENSING MEANS IN CONTACT WITH THE FILAMENTS BEING THUS WITHDRAWN,CORRELATING THE SENSING MEANS IN A PREDETERMINED MANNER WITH A BRAKING MEANS IN PNEUMATIC BRAKING ASSOCIATION WITH THE PACKAGE BEING UNWOUND, REGULATING THE PNEUMATIC INPUT TO THE BRAKING MEANS IN CORRELATION WITH THE SENSING DEVICE SO THAT THE FILAMENTS OF THE TOW ARE SUBSTANTIALLY UNIFORMLY WITHDRAWN FROM THE PACKAGE AND SUBSTANTIALLY
Claim 2
Independent Claim
137 words
THE METHOD OF MAKING TOBACCO SMOKE FILTER ELEMENTS FROM PACKAGES OF CRIMPED, SUBSTANTIALLY CONTINOUS TOWS OF ABOUT 4,000 TO 100,000 INDIVIDUAL FILAMENTS OF A SIZE THAT THE TOTAL DENIER OF THE TOW IS BETWEEN 40,000 AND 125,000, WHICH COMPRISES UNWINDING THE PACKAGES BY PASSING THE CONTINUOUS FILAMENTS FROM THE PACKAGES THROUGH ROTATING DRAW ROLLS, ROTATING SO AS TO DRAW THE FILAMENTS FROM THE PACKAGE AS WELL AS SPREAD OUT THE FILAMENTS INTO A BAND, PLACING A PNEUMATIC SENSING MEANS IN CONTACT WITH THE FILAMENTS BEING THUS WITHDRAWN,CORRELATING THE SENSING MEANS IN A PREDETERMINED MANNER WITH A BRAKING MEANS IN PNEUMATIC BRAKING ASSOCIATION WITH THE PACKAGE BEING UNWOUND, REGULATING THE PNEUMATIC INPUT TO THE BRAKING MEANS IN CORRELATION WITH THE SENSING DEVICE SO THAT THE FILAMENTS OF THE TOW ARE SUBSTANTIALLY UNIFORMLY WITHDRAWN FROM THE PACKAGE AND SUBSTANTIALLY
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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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |