US3221040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymeric organosilicon lubricants
Assignee: Union Carbide Corp
•
Filing: 1962-06-11
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Granted: 1965-11-30
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Expires: 1982-06-11
Abstract
No abstract record available.
Inventors
- 👤 Anton S Pater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:53
CPC Classifications
C; C08; C08G; C08G77/00; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C08G77/04; C10; C10M; C10M3/00; C10M2201/00; C10M2201/02; C10M2201/10; C10M2201/105; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2221/00; C10M2221/04; C10M2221/043; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10N; C10N2020/00; C10N2020/01; C10N2050/00; C10N2050/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A COPOLYMERIC ORGANOSILOXANE OIL OF THE FORMULA:
Claim 2
Dependent Claim
7 words
A COPOLYMERIC ORGANOSILOXANE OIL OF THE FORMULA:
References Cited (Backward Citations)
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US2420329A
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US2557782A
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US2831010A
Cited
US3012051A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |