US3347231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Imitation cigarette
Assignee: Individual
•
Filing: 1964-04-14
•
Granted: 1967-10-17
•
Expires: 1984-04-14
Abstract
No abstract record available.
Inventors
- 👤 Chang Chien-Hshuing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:39
CPC Classifications
A; A61; A61M; A61M15/00; A61M15/06; A24; A24F; A24F42/00; A24F42/20; A24F42/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN ARTIFICIAL CIGARETTE, CHARACTERIZED BY THE ABSENCE OF TOBACCO, WHICH COMPRISES: AN ELONGATE CYLINDRICAL MEMBER OF SUBSTANTIALLY THE SAME SIZE, SHAPE AND APPEARANCE OF A CONVENTIONAL TOBACCO CIGARETTE, SAID MEMBER COMPRISING, A PLURALITY OF RADIALLY DISPOSED POROUS SHEETS, SO DISPOSED AND ARRANGED TO PROVIDE SUBSTANTIAL LONGITUDINAL GAS FLOW THERETHROUGH WHEN A PRESSURE DIFFERENTIAL EXISTS BETWEEN THE ENDS THEREOF; AN AMPULE DISPOSED GENERALLY CENTRALLY OF THE CYLINDRICAL MEMBER, SAID AMPULE INCLUDING, A WEAKENED PORTION FOR BEING EASILY BROKEN PREFERENTIALLY TO THE REMAINDER OF THE AMPULE; A FLAVOR LIQUID IN THE AMPULE, SAID FLAVOR LIQUID INCLUDING,
Claim 2
Dependent Claim
94 words
AN ARTIFICIAL CIGARETTE, CHARACTERIZED BY THE ABSENCE OF TOBACCO, WHICH COMPRISES: AN ELONGATE CYLINDRICAL MEMBER OF SUBSTANTIALLY THE SAME SIZE, SHAPE AND APPEARANCE OF A CONVENTIONAL TOBACCO CIGARETTE, SAID MEMBER COMPRISING, A PLURALITY OF RADIALLY DISPOSED POROUS SHEETS, SO DISPOSED AND ARRANGED TO PROVIDE SUBSTANTIAL LONGITUDINAL GAS FLOW THERETHROUGH WHEN A PRESSURE DIFFERENTIAL EXISTS BETWEEN THE ENDS THEREOF; AN AMPULE DISPOSED GENERALLY CENTRALLY OF THE CYLINDRICAL MEMBER, SAID AMPULE INCLUDING, A WEAKENED PORTION FOR BEING EASILY BROKEN PREFERENTIALLY TO THE REMAINDER OF THE AMPULE; A FLAVOR LIQUID IN THE AMPULE, SAID FLAVOR LIQUID INCLUDING,
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |