Patent US1406446A successfully refreshed from Google Patents.
Patent US2128109A successfully refreshed from Google Patents.
US2128109A
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Condensed blending agent and lubricant
Assignee: Standard Oil Development Co
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Filing: 1934-09-28
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Granted: 1938-08-23
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Expires: 1954-09-28
Abstract
No abstract record available.
Inventors
- 👤 Peter J Wiezevich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:20
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/02; C10M2205/00; C10M2205/16; C10M2205/22; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/12; C10M2219/00; C10M2219/06; C10M2221/00; C10M2221/02; C10N; C10N2040/00; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/25; C10N2040/46; C10N2050/00; C10N2050/10; C10N2060/00; C10N2060/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-08-22 | 1942-02-21 | 1942-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-22 | 1946-02-21 | 1946-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-22 | 1950-02-21 | 1950-08-23 | $7700.00 | Window Closed / Lapsed |