Patent US3683936A successfully refreshed from Google Patents.
US3683936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substitute for a smoking article such as a cigarette
Assignee: H2O Filter Corp
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Filing: 1969-12-12
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Granted: 1972-08-15
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Expires: 1989-12-12
Abstract
Abstract This invention provides a substitute for a smoking article wherein the taste and aroma of burning tobacco may be inhaled without the inhalation of smoke created by the combustion of tobacco.
Inventors
- 👤 Cyril F O'neil Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:43
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/16; A24F; A24F42/00; A24F42/20; A24F42/60
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
19 words
The invention of claim 1, wherein said cyliNdrical configuration is achieved by spiral rolling of the said sheet member.
Claim 2
Dependent Claim
21 words
The invention of claim 1, wherein said micro-cells and abrasive particles respectively, are secured on opposite surfaces of said sheet member.
Claim 3
Dependent Claim
49 words
The invention of claim 1, wherein said wrapped, convoluted member is attached in longitudinal continuation to a rod-like body of combustible material, said member and said body having impermeable means disposed therebetween to prevent the passage into said member of smoke from said body when the latter is ignited.
Claim 4
Dependent Claim
11 words
The invention of claim 1, wherein the content is synthesized smoke.
References Cited (Backward Citations)
US2860638A
Cited
US3200819A
Cited
US3347231A
Cited
US3196478A
Cited
US3334636A
Cited
US3390686A
Cited
US3339558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |