Patent US2546870A successfully refreshed from Google Patents.
Patent US3016353A successfully refreshed from Google Patents.
US3016353A
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Ester type synthetic lubricants
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1954-12-15
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Granted: 1962-01-09
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Expires: 1974-12-15
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Matuszak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:26
CPC Classifications
C; C10; C10M; C10M3/00; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/302; C10M2207/304; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/086; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/11; C10M2209/111; C10M2209/112; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/085; C10M2219/10; C10M2219/104; C10M2219/108; C10M2221/00; C10M2221/04; C10M2221/043; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A PROCESS FOR THE PREPARATION OF AN ESTER BLEND, USEFUL AS A SYNTHETIC LUBRICANT AND COMPRISING COMPLEX ESTER TYPIFIED BY THE FORMULA:
Claim 2
Dependent Claim
22 words
A PROCESS FOR THE PREPARATION OF AN ESTER BLEND, USEFUL AS A SYNTHETIC LUBRICANT AND COMPRISING COMPLEX ESTER TYPIFIED BY THE FORMULA:
References Cited (Backward Citations)
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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) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |