Patent US3303130A successfully refreshed from Google Patents.
US3303130A
Expired / Lapsed
US
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Lubricant compositions containing organo mercaptoalkyl borates
Assignee: Gulf Research and Development Co
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Filing: 1965-11-02
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Granted: 1967-02-07
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Expires: 1985-11-02
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Scypinski
- 👤 Harold O Strange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:56
CPC Classifications
C; C10; C10M; C10M139/00; C07; C07F; C07F5/00; C07F5/02; C07F5/04; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2227/00; C10M2227/06; C10M2227/061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR AMOUNT OF A LUBRICATING OIL AND A SMALL AMOUNT, SUFFI CIENT TO IMPROVE THE ANTIWEAR AND LOAD-CARRYING CHARACTERISTICS OF THE OIL, OF AN ORGANO MERCAPTOALKYL BORATE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
36 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR AMOUNT OF A LUBRICATING OIL AND A SMALL AMOUNT, SUFFI CIENT TO IMPROVE THE ANTIWEAR AND LOAD-CARRYING CHARACTERISTICS OF THE OIL, OF AN ORGANO MERCAPTOALKYL BORATE HAVING THE GENERAL 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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |