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US3112755A Expired / Lapsed US ⏱️ 0.0 years remaining

Tobacco product

Assignee: P Lorillard Co
•
Filing: 1960-12-19
•
Granted: 1963-12-03
•
Expires: 1980-12-19
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Abstract

No abstract record available.

Inventors

  • 👤 Harris B Parmele
  • 👤 Frederick J Schultz
  • 👤 Clifford O Jensen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 01:02
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/30; A24B15/32

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 54 words
IN A SMOKING TOBACCO PRODUCT CONSISTING ESSENTIALLY OF NATURAL LEAF SMOKING TOBACCO, THE IMPROVEMENT WHICH COMPRISES AT LEAST ABOUT 1% OF CITRIC ACID BY WEIGHT OF SAID LEAF SMOKING TOBACCO NTERMIXED WITH SAID LEAF TOBACCO AS A STIMULATN FOR CILIARY ACTIVITY TO NEUTRALIZE AT LEAST PARTIALLY INHIBITING ACTION OF TOBACCO SMOKE ON CILIARY ACTIVITY.

References Cited (Backward Citations)

US1157608A Cited
US1437095A Cited
US2108860A Cited
US2433877A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-12-02 1967-06-03 1967-12-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-12-02 1971-06-03 1971-12-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-12-02 1975-06-03 1975-12-03 $7700.00 Window Closed / Lapsed

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