Patent US2964440A successfully refreshed from Google Patents.
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 08:12
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AS SPREAD OUT THE FILAMENTS INTO A BAND, PLACING A PNEUMATIC SENSING MEANS IN CONTACT WITH THE FILAMENTS BEING THUS WITHDRAWN,CORRELATING THE SENSING MEANS IN A PREDETERMINED MANNER WITH A BRAKING MEANS IN PNEUMATIC BRAKING ASSOCIATION WITH THE PACKAGE BEING UNWOUND, REGULATING THE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THE BRAKING MEANS IN CORRELATION WITH THE SENSING DEVICE SO THAT THE FILAMENTS OF THE TOW ARE SUBSTANTIALLY UNIFORMLY WITHDRAWN FROM THE PACKAGE AND SUBSTANTIALLY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AS SPREAD OUT THE FILAMENTS INTO A BAND, PLACING A PNEUMATIC SENSING MEANS IN CONTACT WITH THE FILAMENTS BEING THUS WITHDRAWN,CORRELATING THE SENSING MEANS IN A PREDETERMINED MANNER WITH A BRAKING MEANS IN PNEUMATIC BRAKING ASSOCIATION WITH THE PACKAGE BEING UNWOUND, REGULATING THE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THE BRAKING MEANS IN CORRELATION WITH THE SENSING DEVICE SO THAT THE FILAMENTS OF THE TOW ARE SUBSTANTIALLY UNIFORMLY WITHDRAWN FROM THE PACKAGE AND SUBSTANTIALLY
References Cited (Backward Citations)
US1455976A
Cited
US1676797A
Cited
US2219491A
Cited
US2098422A
Cited
US2164702A
Cited
US2202839A
Cited
US2161394A
Cited
US2212691A
Cited
US2226135A
Cited
US2343181A
Cited
US2774680A
Cited
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 |