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US3318316A Expired / Lapsed US ⏱️ 0.0 years remaining

Plastic filter for cigarettes

Assignee: Individual
•
Filing: 1964-11-04
•
Granted: 1967-05-09
•
Expires: 1984-11-04
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Abstract

No abstract record available.

Inventors

  • 👤 Banderas Luis Parra
  • 👤 Cohen Leon Sevilla
  • 👤 Cohen Jose Sevilla
  • 👤 Cazares Sergio Jimenez

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 15:18
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/04; A24D3/045

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 259 words
IN A FILTER CIGARETTE, A PLASTIC FILTER COMPRISING A FIRST CYLINDRICAL MEMBER, AND A SECOND CYLINDRICAL MEMBER, SAID FIRST CYLINDRICAL MEMBER INCLUDING INTEGRALLY A FIRST CYLINDER OF LARGEST OUTER DIAMETER, A SECOND CYLINDER OF MEDIAN OUTER DIAMETER AND A THIRD CYLINDER OF SMALLEST OUTER DIAMETER, SAID FIRST CYLINDRICAL MEMBER HAVING A FIRST CYLINDER END AT SAID FIRST CYLINDER AND A THIRD CYLINDER END AT SAID THIRD CYLINDER AND HAVING A BLIND AXIAL BORE EXTENDING THROUGHOUT THE LENGTH OF SAID FIRST, SECOND AND THIRD CYLINDERS OPEN AT SAID FIRST CYLINDER END ENGAGING A CIGARETTE PORTION AND CLOSED AT SIAD THIRD CYLINDER END, A TUBE DISPOSED TRANSVERSELY IN SAID THIRD CYLINDER AND TERMINATING AT THE PERIPHERY OF THE LATTER, SAID TUBE HAVING A PLURALITY OF PERFORATIONS TO PROVIDE COMMUNICATION BETWEEN SAID AXIAL BORE AND THE SPACE SURROUNDING SAID THIRD CYLINDER, SAID SECOND CYLINDRICAL MEMBER HAVING AN OUTER DIAMETER SUBSTANTIALLY IDENTICAL WITH THAT OF SAID FIRST CYLINDER OF SAID FIRST CYLINDRICAL MEMBER AND AN INNER DIAMETER SUBSTANTIALLY IDENTICAL WITH SAID OUTER DIAMETER OF SAID SECOND CYLINDER OF SAID FIRST CYLINDRICAL MEMBER AND HAVING AN AXIAL LENGTH GREATER THAN THAT OF SAID SECOND AND THIRD CYLINDERS TOGETHER, SAID SCOND CYLINDRICAL MEMBER HAVING A FIRST END AND A SECOND END, SAID FIRST CYLINDER OF SAID FIRST CYLINDRICAL MEMBER HAVING AN ABUTTING END ADJACENT SAID SECOND CYLINDER, SAID FIRST END OF SAID SECOND CYLINDRICAL MEMBER ENGAGING SAID ABUTTING END OF SAID FIRST CYLINDER OF SAID FIRST CYLINDRICAL MEMBER, AND SAID SECOND CYLINDRICAL MEMBER HAS AN OPENING AT ITS SECOND END OF ENGAGE A CELLULOSE FILTER.
Claim 2
Dependent Claim 259 words
IN A FILTER CIGARETTE, A PLASTIC FILTER COMPRISING A FIRST CYLINDRICAL MEMBER, AND A SECOND CYLINDRICAL MEMBER, SAID FIRST CYLINDRICAL MEMBER INCLUDING INTEGRALLY A FIRST CYLINDER OF LARGEST OUTER DIAMETER, A SECOND CYLINDER OF MEDIAN OUTER DIAMETER AND A THIRD CYLINDER OF SMALLEST OUTER DIAMETER, SAID FIRST CYLINDRICAL MEMBER HAVING A FIRST CYLINDER END AT SAID FIRST CYLINDER AND A THIRD CYLINDER END AT SAID THIRD CYLINDER AND HAVING A BLIND AXIAL BORE EXTENDING THROUGHOUT THE LENGTH OF SAID FIRST, SECOND AND THIRD CYLINDERS OPEN AT SAID FIRST CYLINDER END ENGAGING A CIGARETTE PORTION AND CLOSED AT SIAD THIRD CYLINDER END, A TUBE DISPOSED TRANSVERSELY IN SAID THIRD CYLINDER AND TERMINATING AT THE PERIPHERY OF THE LATTER, SAID TUBE HAVING A PLURALITY OF PERFORATIONS TO PROVIDE COMMUNICATION BETWEEN SAID AXIAL BORE AND THE SPACE SURROUNDING SAID THIRD CYLINDER, SAID SECOND CYLINDRICAL MEMBER HAVING AN OUTER DIAMETER SUBSTANTIALLY IDENTICAL WITH THAT OF SAID FIRST CYLINDER OF SAID FIRST CYLINDRICAL MEMBER AND AN INNER DIAMETER SUBSTANTIALLY IDENTICAL WITH SAID OUTER DIAMETER OF SAID SECOND CYLINDER OF SAID FIRST CYLINDRICAL MEMBER AND HAVING AN AXIAL LENGTH GREATER THAN THAT OF SAID SECOND AND THIRD CYLINDERS TOGETHER, SAID SCOND CYLINDRICAL MEMBER HAVING A FIRST END AND A SECOND END, SAID FIRST CYLINDER OF SAID FIRST CYLINDRICAL MEMBER HAVING AN ABUTTING END ADJACENT SAID SECOND CYLINDER, SAID FIRST END OF SAID SECOND CYLINDRICAL MEMBER ENGAGING SAID ABUTTING END OF SAID FIRST CYLINDER OF SAID FIRST CYLINDRICAL MEMBER, AND SAID SECOND CYLINDRICAL MEMBER HAS AN OPENING AT ITS SECOND END OF ENGAGE A CELLULOSE FILTER.

References Cited (Backward Citations)

US214586A Cited
US3127373A Cited
GB190819238A Cited
US1827412A Cited
US1885689A Cited
US1897065A Cited
US2098161A Cited
US2954783A Cited
US3163168A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-05-08 1970-11-07 1971-05-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-05-08 1974-11-07 1975-05-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-05-08 1978-11-07 1979-05-09 $7700.00 Window Closed / Lapsed

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