US2089506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant and method of its manufacture
Assignee: Individual
•
Filing: 1934-03-24
•
Granted: 1937-08-10
•
Expires: 1954-03-24
Abstract
No abstract record available.
Inventors
- 👤 Harold M Rosen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:23
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/10; C10M2201/102; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10N; C10N2050/00; C10N2050/10
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 |