US3213023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricants containing metal phosphorodithioate-haloepoxide reaction products
Assignee: Lubrizol Corp
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Filing: 1963-03-11
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Granted: 1965-10-19
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Expires: 1983-03-11
Abstract
No abstract record available.
Inventors
- 👤 Hopkins Thomas Robert
- 👤 Arthur N Arakelian
- 👤 Rhodes Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:00
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M137/105; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/083; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/047; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/12; C10N2040/00; C10N2040/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL AND FROM ABOUT 1% TO ABOUT 20% BY WEIGHT OF A PHOSPHORUS- AND SULFUR-CONTAINING MATERIAL PREPARED BY THE PROCESS WHICH COMPRISES THE REACTION OF A METAL SALT OF A PHOSPHOROTHIOIC ACID HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
45 words
A LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL AND FROM ABOUT 1% TO ABOUT 20% BY WEIGHT OF A PHOSPHORUS- AND SULFUR-CONTAINING MATERIAL PREPARED BY THE PROCESS WHICH COMPRISES THE REACTION OF A METAL SALT OF A PHOSPHOROTHIOIC ACID HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |