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US2795609A Expired / Lapsed US ⏱️ 0.0 years remaining

Halogenated phenylalkane phosphonyl chlorides

Assignee: California Research LLC
•
Filing: 1954-07-06
•
Granted: 1957-06-11
•
Expires: 1974-07-06
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Abstract

No abstract record available.

Inventors

  • 👤 Jensen Warren
  • 👤 James O Clayton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 11:25
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/42

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 3 words
P-BROMOPHENYLMETHANE PHOSPHONYL CHLORIDE.
Claim 2
Dependent Claim 3 words
P-BROMOPHENYLMETHANE PHOSPHONYL CHLORIDE.

References Cited (Backward Citations)

US2071017A Cited
US2683168A Cited
US2683169A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-06-10 1960-12-10 1961-06-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-06-10 1964-12-10 1965-06-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-06-10 1968-12-10 1969-06-11 $7700.00 Window Closed / Lapsed

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