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US3223642A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluorinated reaction product useful as a functional fluid

Assignee: EF Houghton and Co
•
Filing: 1960-06-14
•
Granted: 1965-12-14
•
Expires: 1980-06-14
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Abstract

No abstract record available.

Inventors

  • 👤 Robert K Smith
  • 👤 Kearney John Andreas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 11:58
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07F; C07F7/00; C07F7/02; C07F7/04; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/10; C10M2201/105; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/04; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/062; C10M2219/00; C10M2219/10; C10M2219/104; C10M2219/108; C10M2227/00; C10M2227/02; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/10

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 18 words
THE METHOD OF FORMING A HEAT-STABLE FLUID WHICH COMPRISES REACTING A HYDROLYZABLE ORGANIC SILICON COMPOUND OF THE FORMULA:
Claim 2
Independent Claim 18 words
THE METHOD OF FORMING A HEAT-STABLE FLUID WHICH COMPRISES REACTING A HYDROLYZABLE ORGANIC SILICON COMPOUND OF THE FORMULA:
Claim 3
Independent Claim 18 words
THE METHOD OF FORMING A HEAT-STABLE FLUID WHICH COMPRISES REACTING A HYDROLYZABLE ORGANIC SILICON COMPOUND OF THE FORMULA:
Claim 4
Independent Claim 18 words
THE METHOD OF FORMING A HEAT-STABLE FLUID WHICH COMPRISES REACTING A HYDROLYZABLE ORGANIC SILICON COMPOUND OF THE FORMULA:

References Cited (Backward Citations)

US2777870A Cited
US2928857A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-13 1969-06-14 1969-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-13 1973-06-14 1973-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-13 1977-06-14 1977-12-14 $7700.00 Window Closed / Lapsed

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