Patent US4491139A successfully refreshed from Google Patents.
US4491139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-igniting smoking device
Assignee: Individual
•
Filing: 1982-03-17
•
Granted: 1985-01-01
•
Expires: 2002-03-17
Abstract
Abstract A self igniting device. A tube having a flammable center which can ignite by friction. A piston inserted into the tube. A string fixed to the piston so that by pulling the string the piston will slide out from the tube and so ignite the flammable center. A gas filter on the outside of the tube so toxic gases can escape through the opening of the tube into the surrounding atmosphere as the purified gases are inhaled through the tobacco by the smoker.
Inventors
- 👤 Friedrich Weinert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:00
CPC Classifications
A; A24; A24D; A24D1/00; A24D1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A cigar or cigarette in combination with a self-igniting device inserted into the end of the cigar or cigarette to be lit wherein said device comprises a tube having a central portion chemically treated with a flammable substance that will ignite upon friction; a piston inserted into the tube and frictionally fitted therein; a string with one end attached to said piston so that when the string is pulled the piston will frictionally engage said central portion so as to ignite said flammable substance; a gas filter on the outside of said tube surrounding said tube wherein said filter is a cotton filter moistened with alcohol and paraffin oil.
Claim 2
Dependent Claim
109 words
A cigar or cigarette in combination with a self-igniting device inserted into the end of the cigar or cigarette to be lit wherein said device comprises a tube having a central portion chemically treated with a flammable substance that will ignite upon friction; a piston inserted into the tube and frictionally fitted therein; a string with one end attached to said piston so that when the string is pulled the piston will frictionally engage said central portion so as to ignite said flammable substance; a gas filter on the outside of said tube surrounding said tube wherein said filter is a cotton filter moistened with alcohol and paraffin oil.
References Cited (Backward Citations)
US2006591A
Cited
US2721558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-01-01 | 1988-07-02 | 1989-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-01 | 1992-07-02 | 1993-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-01 | 1996-07-02 | 1997-01-01 | $7700.00 | Window Closed / Lapsed |