Patent US1567512A successfully refreshed from Google Patents.
US1567512A
Expired / Lapsed
US
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Water-cooling system for outboard motors
Assignee: JOHNSON BROS ENGINEERING Corp
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Filing: 1924-02-09
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Granted: 1925-12-29
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Expires: 1944-02-09
Abstract
No abstract record available.
Inventors
- 👤 Louis J Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:00
CPC Classifications
F; F01; F01P; F01P3/00; F01P3/20; F01P3/202; F02; F02B; F02B61/00; F02B61/04; F02B61/045
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) | 1928-12-28 | 1929-06-29 | 1929-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-12-28 | 1933-06-29 | 1933-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-12-28 | 1937-06-29 | 1937-12-29 | $7700.00 | Window Closed / Lapsed |