Patent US4621595B1 successfully refreshed from Google Patents.
US4621595B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-cooled four-cycle internal combustion engine for outboard motors
Assignee: Yamaha Marine Co Ltd
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Filing: 1984-08-23
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Granted: 1995-03-26
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Expires: 2004-08-23
Abstract
No abstract record available.
Inventors
- 👤 Tomonori Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:09
CPC Classifications
F; F01; F01P; F01P3/00; F01P3/12; F02; F02B; F02B61/00; F02B61/04; F02B61/045; F02B75/00; F02B75/02; F02B2075/022; F02B2075/027; F02B2275/00; F02B2275/20; F02F; F02F1/00; F02F1/24; F02F1/243
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) | 1998-03-25 | 1998-09-24 | 1999-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-03-25 | 2002-09-24 | 2003-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-03-25 | 2006-09-24 | 2007-03-26 | $7700.00 | Window Closed / Lapsed |