US2854985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article of commerce
Assignee: EIDP Inc
•
Filing: 1954-04-12
•
Granted: 1958-10-07
•
Expires: 1974-04-12
Abstract
No abstract record available.
Inventors
- 👤 William W Watkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:44
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/06; A24D3/08; A24D3/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
78 words
A FILTER TIPPED CIGARETTE WHEREIN THE FILTER COMPRISES A BUNDLE OF ADJACENTLY DISPOSED, CRIMPED, HOLLOW CAPILLARY FILAMENTS OF CELLULOSE ACETATE RANGING IN SIZE FROM ABOUT 2 UP TO ABOUT 20 DENIER PER FILAMENT FITTED SNUGLY IN A HOLLOW TUBE IN SUCH MANNER THAT THE LONG DIMENSION OF THE SAID FILAMENTS LIES ALONG THE LENGTH OF SAID TUBE, THE UNION OF FILTER AND CIGARETTE IN ABUTTING RELATIONSHIP BEING ENHANCED BY THE EXTENSION OF SAID FILAMENTS INTO THE PACKED TOBACCO.
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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) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |