US3250280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoking apparatus
Assignee: Individual
•
Filing: 1964-03-03
•
Granted: 1966-05-10
•
Expires: 1984-03-03
Abstract
No abstract record available.
Inventors
- 👤 Hu Yow-Jiun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:47
CPC Classifications
A; A24; A24F; A24F7/00; A24F7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
IN A TOBACCO HOLDER AND FILTER CARTRIDGE COMBINATION, A HOLDER ASSEMBLY INCLUDING INTERCONNECTABLE MOUTHPIECE AND TOBACCO HOLDING SECTIONS, SAID SECTIONS WHEN INTERCONNECTED DEFINING A CARTRIDGE CHAMBER, A HERMETICALLY SEALED FILTER CARTRIDGE INSERTABLE IN SAID CHAMBER, SAID FILTER CARTRIDGE FORMED OF END WALLS OF PUNCTURABLE MATERIAL AND COMPRISING A MIXTURE OF LIQUID ABSORBENT MATERIAL AND A LIQUID SUBSTANTIALLY MOISTENING SAID LIQUID ABSORBENT MATERIAL, SAID MOUTHPIECE AND SAID TOBACCO HOLDING SECTIONS EACH INCLUDING ONE OF A PAIR OF PLANAR SURFACE MEMBERS TRAVERSING THE CHAMBER, THE PLANAR SURFACE MEMBERS EACH CONTAINING A PLURALITY OF STRUCK OUT PORTIONS EXTENDING INTO SAID CHAMBER FOR PENETRATING THE END WALLS OF A CARTRIDGE INSERTED THEREIN WHEN THE MOUTHPIECE AND TOBACCO HOLDING SECTIONS ARE INTERCONNECTED, SAID CARTRIDGE AND THE PUNCTURED PORTIONS OF SAID PLANAR SURFACE MEMBERS PROVIDING A PORTION OF A SMOKE PASSAGE, THE WHOLE PASSAGE EXTENDING AXIALLY OF SAID HOLDER, FIRST VALVE MEANS LOCATED IN SAID PASSAGE AT THE MOUTHPIECE SECTION AND SECOND VALVE MEANS LOCATED IN SAID PASSAGE AT THE TOBACCO HOLDING SECTION, SAID FIRST AND SECOND VALVE MEANS ALLOWING SMOKE TO FLOW THROUGH SAID PASSAGE ONLY WHEN SUCTION IS APPLIED AT THE MOUTHPIECE.
Claim 2
Dependent Claim
188 words
IN A TOBACCO HOLDER AND FILTER CARTRIDGE COMBINATION, A HOLDER ASSEMBLY INCLUDING INTERCONNECTABLE MOUTHPIECE AND TOBACCO HOLDING SECTIONS, SAID SECTIONS WHEN INTERCONNECTED DEFINING A CARTRIDGE CHAMBER, A HERMETICALLY SEALED FILTER CARTRIDGE INSERTABLE IN SAID CHAMBER, SAID FILTER CARTRIDGE FORMED OF END WALLS OF PUNCTURABLE MATERIAL AND COMPRISING A MIXTURE OF LIQUID ABSORBENT MATERIAL AND A LIQUID SUBSTANTIALLY MOISTENING SAID LIQUID ABSORBENT MATERIAL, SAID MOUTHPIECE AND SAID TOBACCO HOLDING SECTIONS EACH INCLUDING ONE OF A PAIR OF PLANAR SURFACE MEMBERS TRAVERSING THE CHAMBER, THE PLANAR SURFACE MEMBERS EACH CONTAINING A PLURALITY OF STRUCK OUT PORTIONS EXTENDING INTO SAID CHAMBER FOR PENETRATING THE END WALLS OF A CARTRIDGE INSERTED THEREIN WHEN THE MOUTHPIECE AND TOBACCO HOLDING SECTIONS ARE INTERCONNECTED, SAID CARTRIDGE AND THE PUNCTURED PORTIONS OF SAID PLANAR SURFACE MEMBERS PROVIDING A PORTION OF A SMOKE PASSAGE, THE WHOLE PASSAGE EXTENDING AXIALLY OF SAID HOLDER, FIRST VALVE MEANS LOCATED IN SAID PASSAGE AT THE MOUTHPIECE SECTION AND SECOND VALVE MEANS LOCATED IN SAID PASSAGE AT THE TOBACCO HOLDING SECTION, SAID FIRST AND SECOND VALVE MEANS ALLOWING SMOKE TO FLOW THROUGH SAID PASSAGE ONLY WHEN SUCTION IS APPLIED AT THE MOUTHPIECE.
References Cited (Backward Citations)
US3125100A
Cited
US1543043A
Cited
US1734756A
Cited
US2108860A
Cited
US2911984A
Cited
US3006346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |