US1839159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating compound
Assignee: Individual
•
Filing: 1930-11-08
•
Granted: 1931-12-29
•
Expires: 1950-11-08
Abstract
No abstract record available.
Inventors
- 👤 Robert L Newbern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:28
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/043; C10M2201/05; C10M2201/06; C10M2201/061; C10M2201/062; C10M2201/16; C10M2201/18; C10N; C10N2040/00; C10N2040/135
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1934-12-28 | 1935-06-29 | 1935-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-12-28 | 1939-06-29 | 1939-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-12-28 | 1943-06-29 | 1943-12-29 | $7700.00 | Window Closed / Lapsed |