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US2649761A Expired / Lapsed US ⏱️ 0.0 years remaining

Manufacture of filter tip and like composite cigarettes

Assignee: FILTER TIPS Ltd
•
Filing: 1951-06-19
•
Granted: 1953-08-25
•
Expires: 1971-06-19
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Abstract

No abstract record available.

Inventors

  • 👤 Edwards William Frede Maitland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 03:37
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/47; A24C5/475

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2188998A Cited
US2165144A Cited
US2194378A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-08-24 1957-02-23 1957-08-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-08-24 1961-02-23 1961-08-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-08-24 1965-02-23 1965-08-25 $7700.00 Window Closed / Lapsed

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