Patent US3351553A successfully refreshed from Google Patents.
US3351553A
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US
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Radiation resistant fluids
Assignee: Mobil Oil AS
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Filing: 1963-07-09
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Granted: 1967-11-07
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Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 Hollinghurst Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:26
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/12; G21C5/123; C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/04; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/10; C10N; C10N2030/00; C10N2030/08; C10N2030/32; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/12; C10N2040/13; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A METHOD OF LUBRICATING THE METAL SURFACES OF EQUIPMENT WHEREIN THE LUBRICATING OIL IS EXPOSED TO RADIATION COMPRISING THE STEP OF APPLYING TO THE SAID METAL SURFACES A LUBRICANT CONSISTING ESSENTIALLY OF FROM ABOUT 25% TO ABOUT 95% BY WEIGHT OF A MINERAL OIL NORMALLY PRONE TO RADIATION DETERIORATION AND FROM ABOUT 75% TO ABOUT 5% BY WEIGHT OF A PARTIALLY HYDROGENATED TERPHENYL.
Claim 2
Dependent Claim
16 words
THE METHOD OF CLAIM 4 WHEREIN THERE IS ADDITIONALLY PRESENT A MINOR AMOUNT OF DIDODECYL SELENIDE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |