US2920393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outboard motor measuring device
Assignee: Kiekhaefer Corp
•
Filing: 1954-10-06
•
Granted: 1960-01-12
•
Expires: 1974-10-06
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Schoenfeldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:32
CPC Classifications
F; F02; F02N; F02N3/00; F02N3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US736052A
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FR348126A
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US982222A
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US1646826A
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GB288024A
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US1797389A
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US1982304A
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US2222409A
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US2460420A
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US2591214A
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US2503440A
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US2549098A
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US2629935A
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US2602233A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |