Patent US2370983A successfully refreshed from Google Patents.
US3267941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoking device
Assignee: Individual
•
Filing: 1964-02-14
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Granted: 1966-08-23
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Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Max J Doppelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:56
CPC Classifications
A; A24; A24F; A24F1/00; A24F1/02; A24F1/20; A24F1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A SMOKING DEVICE COMPRISING: A TOBACCO RECEIVING BOWL; A HOLLOW MOUTHPIECE INCLUDING A BIT PORTION, SAID MOUTHPIECE HAVING PLURALITY OF AIR INTAKE OPENINGS THEREIN; A HOLLOW TUBULAR MEMBER EXTENDING FROM SAID BOWL AND RECEIVING WITHIN SAID MOUTHPIECE, SAID TUBULAR MEMBER HAVING A PERFORATED SLEEVE-RECEIVING PORTION SPACED FROM THE INTERNAL WALL OF SAID MOUTHPIECE, SAID TUBULAR MEMBER PROVIDING A PASSAGEWAY FOR SMOKE FROM SAID BOWL TO SAID BIT PORTION; AND A POROUS MOISTURE ABSORBING SLEEVE MEANS SLIDABLY MOUNTED ON AND IN INTIMATE ENGAGEMENT WITH THE PERFORATED SLEEVE RECEIVING PORTION OF SAID TUBULAR MEMBER, THE AIR INTAKE OPENINGS OF SAID MOUTHPIECE AND THE PERFORATIONS ON THE SLEEVE RECEIVING PORTION BEING IN PROXIMITY AND COOPERATING WITH SAID POROUS SLEEVE TO CAUSE AIR FROM THE ATMOSPHERE TO MIX WITH THE WARM SMOKE BEING DRAWN FROM SAID BOWL AS THE SMOKER CREATES A VACUUM AT SAID BIT PORTION OF THE MOUTHPIECE, THE HEAT FROM SAID SMOKE BEING TRANSFERRED THROUGH SAID SLEEVE RECEIVING PORTION TO SAID SLEEVE CAUSING EVAPORATION OF MOISTURE THEREFROM.
Claim 2
Dependent Claim
166 words
A SMOKING DEVICE COMPRISING: A TOBACCO RECEIVING BOWL; A HOLLOW MOUTHPIECE INCLUDING A BIT PORTION, SAID MOUTHPIECE HAVING PLURALITY OF AIR INTAKE OPENINGS THEREIN; A HOLLOW TUBULAR MEMBER EXTENDING FROM SAID BOWL AND RECEIVING WITHIN SAID MOUTHPIECE, SAID TUBULAR MEMBER HAVING A PERFORATED SLEEVE-RECEIVING PORTION SPACED FROM THE INTERNAL WALL OF SAID MOUTHPIECE, SAID TUBULAR MEMBER PROVIDING A PASSAGEWAY FOR SMOKE FROM SAID BOWL TO SAID BIT PORTION; AND A POROUS MOISTURE ABSORBING SLEEVE MEANS SLIDABLY MOUNTED ON AND IN INTIMATE ENGAGEMENT WITH THE PERFORATED SLEEVE RECEIVING PORTION OF SAID TUBULAR MEMBER, THE AIR INTAKE OPENINGS OF SAID MOUTHPIECE AND THE PERFORATIONS ON THE SLEEVE RECEIVING PORTION BEING IN PROXIMITY AND COOPERATING WITH SAID POROUS SLEEVE TO CAUSE AIR FROM THE ATMOSPHERE TO MIX WITH THE WARM SMOKE BEING DRAWN FROM SAID BOWL AS THE SMOKER CREATES A VACUUM AT SAID BIT PORTION OF THE MOUTHPIECE, THE HEAT FROM SAID SMOKE BEING TRANSFERRED THROUGH SAID SLEEVE RECEIVING PORTION TO SAID SLEEVE CAUSING EVAPORATION OF MOISTURE THEREFROM.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |