US2946405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling the oil level in the crankcase of a motor vehicle
Assignee: Individual
•
Filing: 1958-10-24
•
Granted: 1960-07-26
•
Expires: 1978-10-24
Abstract
No abstract record available.
Inventors
- 👤 Zachrisson Karl Torbjorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:28
CPC Classifications
F; F01; F01M; F01M11/00; F01M11/06; F16; F16N; F16N19/00; F16N19/003; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7498
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1312365A
Cited
US1071894A
Cited
US1664510A
Cited
US2071929A
Cited
US2564230A
Cited
US2565010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |