Patent US1613312A successfully refreshed from Google Patents.
US1613312A
Expired / Lapsed
US
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Combined oil gauge and drain device for crank cases
Assignee: Individual
•
Filing: 1925-05-07
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Granted: 1927-01-04
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Expires: 1945-05-07
Abstract
No abstract record available.
Inventors
- 👤 Oliver C Couts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:03
CPC Classifications
F; F16; F16N; F16N19/00; F16N19/003; F01; F01M; F01M11/00; F01M11/04; F01M11/0408; G; G01; G01F; G01F23/00; G01F23/30; G01F23/56; G01F23/58; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8342
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) | 1930-01-03 | 1930-07-05 | 1931-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-01-03 | 1934-07-05 | 1935-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-01-03 | 1938-07-05 | 1939-01-04 | $7700.00 | Window Closed / Lapsed |