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US3414583A Expired / Lapsed US ⏱️ 0.0 years remaining

Copper hexadecafluorophthalocyanine

Assignee: Imperial Smelting Corp Ltd
•
Filing: 1965-06-04
•
Granted: 1968-12-03
•
Expires: 1985-06-04
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Abstract

No abstract record available.

Inventors

  • 👤 Wotton David Edward Mudge

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 04:01
CPC Classifications
C; C09; C09B; C09B47/00; C09B47/04; C09B47/06; C09B47/067; C09B47/0671

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 2 words
COPPER HEXADECAFLUOROPHTHALOCYANINE.
Claim 2
Dependent Claim 2 words
COPPER HEXADECAFLUOROPHTHALOCYANINE.

References Cited (Backward Citations)

CA679018A Cited
US2242301A Cited
GB470079A Cited
US2277629A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-12-03 1972-06-03 1972-12-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-12-03 1976-06-03 1976-12-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-12-03 1980-06-03 1980-12-03 $7700.00 Window Closed / Lapsed

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