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US3142695A Expired / Lapsed US ⏱️ 0.0 years remaining

Hexachlorobicycloheptenealkyl esters of arylphosphonic acids

Assignee: Standard Oil Co
•
Filing: 1962-08-23
•
Granted: 1964-07-28
•
Expires: 1982-08-23
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Abstract

No abstract record available.

Inventors

  • 👤 Robert J Rolih
  • 👤 Emil F Jason

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 19:53
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/4081; C07F9/4003; C07F9/4021; C08; C08F; C08F30/00; C08F30/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 9 words
A PHOSPHONATE OF THE GROUP CONSISTING OF FORMULA I
Claim 2
Dependent Claim 9 words
A PHOSPHONATE OF THE GROUP CONSISTING OF FORMULA I

References Cited (Backward Citations)

US2622096A Cited
US2767206A Cited
US2809187A Cited
US2894938A Cited
US2881196A Cited
US2929831A Cited
US2914440A Cited
US2956073A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-07-28 1968-01-27 1968-07-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-07-28 1972-01-27 1972-07-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-07-28 1976-01-27 1976-07-28 $7700.00 Window Closed / Lapsed

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