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US2673210A Expired / Lapsed US ⏱️ 0.0 years remaining

Triorganosilylphenylene phosphorus derivatives

Assignee: General Electric Co
•
Filing: 1953-04-06
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Granted: 1954-03-23
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Expires: 1973-04-06
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Abstract

No abstract record available.

Inventors

  • 👤 Kurt C Frisch
  • 👤 Lyons Harold

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 13:48
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/30; C07F9/304; C07F9/50; C07F9/5022; C07F9/53; C07F9/5325

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 14 words
A COMPOSITION OF MATTER COMPRISING A TRIORGANOSILYLPHENYLENE DERIVATIVE SELECTED FROM THE CLASS CONSISTING OF
Claim 2
Dependent Claim 14 words
A COMPOSITION OF MATTER COMPRISING A TRIORGANOSILYLPHENYLENE DERIVATIVE SELECTED FROM THE CLASS CONSISTING OF

References Cited (Backward Citations)

US2472629A Cited
US2488449A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-03-22 1957-09-21 1958-03-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-03-22 1961-09-21 1962-03-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-03-22 1965-09-21 1966-03-23 $7700.00 Window Closed / Lapsed

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