Patent US2549480A successfully refreshed from Google Patents.
US2549480A
Expired / Lapsed
US
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Tachometer arrangement for outboard motors
Assignee: Individual
•
Filing: 1947-09-05
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Granted: 1951-04-17
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Expires: 1967-09-05
Abstract
No abstract record available.
Inventors
- 👤 Elmer C Kiekhaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:14
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/04; B; B63; B63B; B63B49/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR497943A
Cited
US1461293A
Cited
US1738772A
Cited
US2018229A
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US2227392A
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US2266865A
Cited
US2323535A
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US2374685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |