US2255085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating composition
Assignee: Lubrizol Development Corp
•
Filing: 1938-11-21
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Granted: 1941-09-09
•
Expires: 1958-11-21
Abstract
No abstract record available.
Inventors
- 👤 Carl F Prutton
- 👤 Albert K Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:42
CPC Classifications
C; C10; C10M; C10M105/00; C10M105/50; C10M105/54; C10M131/00; C10M131/08; C10M131/12; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/40; C10M2207/402; C10M2207/404; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/062; C10M2215/08; C10M2215/082; C10M2215/14; C10M2215/16; C10M2215/18; C10M2215/182; C10M2215/20; C10M2215/202; C10M2215/204; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/28; C10M2215/30; C10M2219/00; C10M2219/04; C10M2219/042; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/084; C10M2219/086; C10M2219/087; C10M2219/089; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2227/00; C10M2227/06; C10M2227/061; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/10; C10N2030/00; C10N2030/06; C10N2040/00; C10N2040/25; C10N2040/251; C10N2040/252; C10N2040/253; C10N2040/255
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) | 1944-09-08 | 1945-03-10 | 1945-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-08 | 1949-03-10 | 1949-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-08 | 1953-03-10 | 1953-09-09 | $7700.00 | Window Closed / Lapsed |