Patent US3262882A successfully refreshed from Google Patents.
US3262882A
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Radiation resistant lubricants
Assignee: Atomic Energy of Canada Ltd AECL
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Filing: 1963-04-22
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Granted: 1966-07-26
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Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 Gupta Sharda Das
- 👤 Slobodian James Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:42
CPC Classifications
C; C10; C10M; C10M3/00; C08; C08F; C08F255/00; C10M2205/00; C10M2205/04; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2030/00; C10N2030/32; C10N2050/00; C10N2050/10; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A LUBRICANT FOR EXPOSURE TO HIGH ENERGY RADIATION DOSES COMPRISING A BASE LUBRICANT CONSISTING ESSENTIALLY OF A LONG CHAIN HYDROCARBON COPOLYMERIZED WITH ABOUT 10 TO 50 PERCENT STYRENE, SAID LONG CHAIN HYDRCARBON AND SAID STYRENE BEING COPOLYMERIZED BY EXPOSURE TO A DOSE OF RADIATION IN AN AMOUNT OF ABOUT 1 X 10**7 RADS.
Claim 2
Dependent Claim
53 words
A LUBRICANT FOR EXPOSURE TO HIGH ENERGY RADIATION DOSES COMPRISING A BASE LUBRICANT CONSISTING ESSENTIALLY OF A LONG CHAIN HYDROCARBON COPOLYMERIZED WITH ABOUT 10 TO 50 PERCENT STYRENE, SAID LONG CHAIN HYDRCARBON AND SAID STYRENE BEING COPOLYMERIZED BY EXPOSURE TO A DOSE OF RADIATION IN AN AMOUNT OF ABOUT 1 X 10**7 RADS.
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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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |