US2407037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant and process of lubricating surfaces therewith
Assignee: Individual
•
Filing: 1939-10-21
•
Granted: 1946-09-03
•
Expires: 1959-10-21
Abstract
No abstract record available.
Inventors
- 👤 Frank J Sowa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:05
CPC Classifications
G; G04; G04B; G04B31/00; G04B31/08; C; C08; C08L; C08L83/00; C08L83/04; C10; C10M; C10M171/00; C10M171/004; C08G; C08G77/00; C08G77/04; C08G77/045; C08G77/70
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) | 1949-09-02 | 1950-03-04 | 1950-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-09-02 | 1954-03-04 | 1954-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-09-02 | 1958-03-04 | 1958-09-03 | $7700.00 | Window Closed / Lapsed |