US2804874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter tobacco product
Assignee: Individual
•
Filing: 1955-01-11
•
Granted: 1957-09-03
•
Expires: 1975-01-11
Abstract
No abstract record available.
Inventors
- 👤 Visnick Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:35
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/12; A; A24; A24D; A24D3/00; A24D3/06; A24D3/08; A24D3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A FILTER CIGARETTE HAVINNG A FILTER POSITIONED THEREIN TO REQUIRE SUBSTANTIALLY ALL SMOKE THAT MAY BE DRAWN FROM A LIGHTED TIP THEREOF TO OPPOSITE TIP THEREOF TO PASS THERETHROUGH, SAID FILTER CONTAINING MATERIAL BAKED FROM LEAVENED FLOUR.
Claim 2
Dependent Claim
37 words
A FILTER CIGARETTE HAVINNG A FILTER POSITIONED THEREIN TO REQUIRE SUBSTANTIALLY ALL SMOKE THAT MAY BE DRAWN FROM A LIGHTED TIP THEREOF TO OPPOSITE TIP THEREOF TO PASS THERETHROUGH, SAID FILTER CONTAINING MATERIAL BAKED FROM LEAVENED FLOUR.
References Cited (Backward Citations)
GB190022190A
Cited
GB190805775A
Cited
DE470788C
Cited
GB310638A
Cited
US1845264A
Cited
US1920588A
Cited
US2258933A
Cited
US2669995A
Cited
FR1037514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |