US3350311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating fluids containing 4, 4'-bis(triorganosilyl) diphenylalkylamines
Assignee: Dow Silicones Corp
•
Filing: 1966-11-09
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Granted: 1967-10-31
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Expires: 1986-11-09
Abstract
No abstract record available.
Inventors
- 👤 Matthew J Napoli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:00
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081; C10M2207/00; C10M2207/28; C10M2207/30; C10M2227/00; C10M2227/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A LUBRICATING FLUID CONTAINING 0.2 TO 5 PERCENT BY WEIGHT OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
16 words
A LUBRICATING FLUID CONTAINING 0.2 TO 5 PERCENT BY WEIGHT OF A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2960517A
Cited
US3065251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |