US3008474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco smoke filter containing a sugar ester
Assignee: Eastman Kodak Co
•
Filing: 1959-04-13
•
Granted: 1961-11-14
•
Expires: 1979-04-13
Abstract
No abstract record available.
Inventors
- 👤 George P Touey
- 👤 Ii Robert C Mumpower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:55
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/06; A24D3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A TOBACCO SMOKE FILTER ESSENTIALLY COMPRISED OF A BUNDLE MADE UP TO A SUBSTANTIAL EXTENT OF LONGITUDINALLY EXTENDING SYNTHETIC FILAMENTS OF A DENIER PER FILAMENT OF LESS THAN 16, SAID FILAMENTS CARRYING ON THE SURFACE OF THE FILAMENTS A CONTENT OF A SUGAR ESTER IN AN AMOUNT
Claim 2
Dependent Claim
47 words
A TOBACCO SMOKE FILTER ESSENTIALLY COMPRISED OF A BUNDLE MADE UP TO A SUBSTANTIAL EXTENT OF LONGITUDINALLY EXTENDING SYNTHETIC FILAMENTS OF A DENIER PER FILAMENT OF LESS THAN 16, SAID FILAMENTS CARRYING ON THE SURFACE OF THE FILAMENTS A CONTENT OF A SUGAR ESTER IN AN AMOUNT
References Cited (Backward Citations)
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Cited
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Cited
US2664374A
Cited
US2763267A
Cited
US2694661A
Cited
US2780228A
Cited
US2881770A
Cited
US2766146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-13 | 1965-05-15 | 1965-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-13 | 1969-05-15 | 1969-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-13 | 1973-05-15 | 1973-11-14 | $7700.00 | Window Closed / Lapsed |