US2169545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil
Assignee: Sunoco Inc
•
Filing: 1935-07-17
•
Granted: 1939-08-15
•
Expires: 1955-07-17
Abstract
No abstract record available.
Inventors
- 👤 Richard S Vose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:40
CPC Classifications
C; C10; C10G; C10G29/00; C10G29/02; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/30; C09; C09D; C09D161/00; C09D161/20; C09D161/26; C09J; C09J161/00; C09J161/20; C09J161/26; C10G29/04; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M19/00; D06P; D06P1/00; D06P1/44; D06P1/52; D06P1/56
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) | 1942-08-14 | 1943-02-13 | 1943-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-08-14 | 1947-02-13 | 1947-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-08-14 | 1951-02-13 | 1951-08-15 | $7700.00 | Window Closed / Lapsed |