Patent US2916719A successfully refreshed from Google Patents.
Patent US2235161A successfully refreshed from Google Patents.
US2235161A
Expired / Lapsed
US
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Lubricant capable of carrying heavy loads
Assignee: Standard Oil Development Co
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Filing: 1938-09-20
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Granted: 1941-03-18
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Expires: 1958-09-20
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 John C Zimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:58
CPC Classifications
C; C10; C10M; C10M141/00; C10M141/02; C10M125/00; C10M125/24; C10M129/00; C10M129/02; C10M129/26; C10M129/28; C10M129/38; C10M129/40; C10M145/00; C10M145/40; C10M159/00; C10M159/02; C10M159/06; C10M161/00; C10M163/00; C10M2201/00; C10M2201/04; C10M2201/06; C10M2201/065; C10M2201/085; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2205/18; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/126; C10M2207/129; C10M2207/16; C10M2209/00; C10M2209/12; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2010/12; C10N2040/00; C10N2040/02; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
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) | 1944-03-17 | 1944-09-16 | 1945-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-17 | 1948-09-16 | 1949-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-17 | 1952-09-16 | 1953-03-18 | $7700.00 | Window Closed / Lapsed |