US1796919A
Expired / Lapsed
US
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Engine-oil-level indicator mechanism
Assignee: Individual
•
Filing: 1928-08-18
•
Granted: 1931-03-17
•
Expires: 1948-08-18
Abstract
No abstract record available.
Inventors
- 👤 Ivar W Brogger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:07
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/56; G01F23/60
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) | 1934-03-16 | 1934-09-15 | 1935-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-03-16 | 1938-09-15 | 1939-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-03-16 | 1942-09-15 | 1943-03-17 | $7700.00 | Window Closed / Lapsed |