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US2906730A Expired / Lapsed US ⏱️ 0.0 years remaining

Polytrifluorochloroethylene and cobaltic oxide or cobaltic sulfide

Assignee: 3M Co
•
Filing: 1956-08-16
•
Granted: 1959-09-29
•
Expires: 1976-08-16
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Abstract

No abstract record available.

Inventors

  • 👤 Francis J Honn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:34
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K3/38

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 34 words
A NOVEL PLASTIC COMPOSITION COMPRISING A HOMOGENEOUS NORMALLY SOLID TRIIFUOROCHLOROETHYLENE POLYMERMASS AND INTIMATELY DISPERSED THEREIN A MINOR PROPORTION OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF COBALTIC OXIDE AND COBALTIC SULFIDE.

References Cited (Backward Citations)

US2140518A Cited
US2161024A Cited
US2479957A Cited
US2482293A Cited
US2686738A Cited
US2737505A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-09-28 1963-03-30 1963-09-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-09-28 1967-03-30 1967-09-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-09-28 1971-03-30 1971-09-29 $7700.00 Window Closed / Lapsed

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