Patent US3388616A successfully refreshed from Google Patents.
US3388616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite crankshaft
Assignee: Honda Gijutsu Kenkyusho KK
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Filing: 1965-10-26
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Granted: 1968-06-18
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Expires: 1985-10-26
Abstract
No abstract record available.
Inventors
- 👤 Kume Tadashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:58
CPC Classifications
F; F16; F16C; F16C3/00; F16C3/04; F16C3/06; F16C3/10; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2174; Y10T74/2175
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2288068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |