US3359988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1965-04-21
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Granted: 1967-12-26
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Expires: 1985-04-21
Abstract
No abstract record available.
Inventors
- 👤 Osborne M Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:38
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/04; A24D3/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A FILTER CIGARETTE COMPRISING A BODY PORTION SUBSTANTIALLY FILLED WITH TOBACCO, A FILTER SECTION ATTACHED TO ONE END OF SAID BODY PORTION, AN OUTER WALL FOR SAID FILTER SECTION, A FILTER MATERIAL SUBSTANTIALLY FILLING SAID FILTER SECTION, A DIVIDER SUBSTANTIALLY IMPERVIOUS TO SMOKE AND AIR POSITIONED IN THE FILTER MATERIAL AND EXTENDING SUBSTANTIALLY FROM SIDE TO SIDE AND LENGTHWISE OF THE FILTER SECTION THEREBY FORMING TWO FILTER CHANNELS SEPARATED ONE FROM THE OTHER BY THE DIVIDER, A SECOND IMPERVIOUS DIVIDER TRANSVERSELY POSITIONED ACROSS ONE OF SAID FILTER CHANNELS SUBSTANTIALLY AT THE JUNCTURE OF SAID BODY PORTION AND SAID FILTER SECTION AND EXTENDING SUBSTANTIALLY ACROSS THE INTERFACE BETWEN SAID ONE CHANNEL AND SAID BODY PORTION, AND A PLURALITY OF HOLES FORMED IN THE OUTER WALL OF SAID ONE FILTER CHANNEL.
Claim 2
Dependent Claim
129 words
A FILTER CIGARETTE COMPRISING A BODY PORTION SUBSTANTIALLY FILLED WITH TOBACCO, A FILTER SECTION ATTACHED TO ONE END OF SAID BODY PORTION, AN OUTER WALL FOR SAID FILTER SECTION, A FILTER MATERIAL SUBSTANTIALLY FILLING SAID FILTER SECTION, A DIVIDER SUBSTANTIALLY IMPERVIOUS TO SMOKE AND AIR POSITIONED IN THE FILTER MATERIAL AND EXTENDING SUBSTANTIALLY FROM SIDE TO SIDE AND LENGTHWISE OF THE FILTER SECTION THEREBY FORMING TWO FILTER CHANNELS SEPARATED ONE FROM THE OTHER BY THE DIVIDER, A SECOND IMPERVIOUS DIVIDER TRANSVERSELY POSITIONED ACROSS ONE OF SAID FILTER CHANNELS SUBSTANTIALLY AT THE JUNCTURE OF SAID BODY PORTION AND SAID FILTER SECTION AND EXTENDING SUBSTANTIALLY ACROSS THE INTERFACE BETWEN SAID ONE CHANNEL AND SAID BODY PORTION, AND A PLURALITY OF HOLES FORMED IN THE OUTER WALL OF SAID ONE FILTER CHANNEL.
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |