US2863461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cigarette filter construction
Assignee: Individual
•
Filing: 1955-12-05
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Granted: 1958-12-09
•
Expires: 1975-12-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry W Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:22
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/06; A24D3/061
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
A TOBACCO ARTICLE COMPRISING A WRAPPER, TOBACCO IN SAID WRAPPER FORMING A CONVENTIONAL SHAPED CIGARETTE HAVING ONE END ADAPTED TO BE LIGHTED AND AN OPPOSITE END, AND EASILY RUPTURABLE LIQUID-CONTAINING CAPSULE EMBEDDED IN SAID TOBACCO NEAR SAID OPPOSITE END, SAID CAPSULE BEING RUPTURABLE BY THE APPLICATION OF SLIGHT FINGER PRESSURE TO SAID WRAPPER WHEREBY SAID LIQUID IS RELEASED IN THE VICINITY OF SAID CAPSULE TO PRODUCE A ZONE OF MOISTENED TOBACCO TO THEREBY IMPROVE THE FILTRTION EFFECTIVENESS OF THE TOBACCO IN SAID ZONE AS SMOKE PASSES THERETHROUGH, SAID INSERT HAVING AN ELONGATED INSERT-POSITIONING PROJECTION, SAID PROJECTION HAVING A LENGTH AT LEAST EQUAL TO THE MAXIMUM DIAMETER OF SAID INSERT AND DISPOSED INTERMEDIATE THE SAID INSERT AND THE MOUTH PIECE END.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |