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
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 00:49
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 |