Patent US2089680A successfully refreshed from Google Patents.
US2089680A
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High-pressure and high-temperature lubricant
Assignee: SULFO Corp OF AMERICA
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Filing: 1934-08-15
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Granted: 1937-08-10
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Expires: 1954-08-15
Abstract
No abstract record available.
Inventors
- 👤 Victor R Abrams
- 👤 Carroll A Hochwalt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:04
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/10; C10M2205/00; C10M2205/18; C10M2205/20; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2209/10; C10M2209/12; C10M2219/00; C10M2219/02; C10M2219/024; C10M2221/00; C10M2221/02; C10M2221/04; C10M2221/041; C10N; C10N2010/00; C10N2010/02; C10N2010/06; C10N2010/14; C10N2040/00; C10N2040/02; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; 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) | 1940-08-09 | 1941-02-08 | 1941-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-09 | 1945-02-08 | 1945-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-09 | 1949-02-08 | 1949-08-10 | $7700.00 | Window Closed / Lapsed |