Patent US3915784A successfully refreshed from Google Patents.
Patent US2747428A successfully refreshed from Google Patents.
US2747428A
Expired / Lapsed
US
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Composite crankshaft
Assignee: Individual
•
Filing: 1951-04-24
•
Granted: 1956-05-29
•
Expires: 1971-04-24
Abstract
No abstract record available.
Inventors
- 👤 Oskar E Peter
- 👤 Kreissig Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:33
CPC Classifications
F; F16; F16C; F16C3/00; F16C3/04; F16C3/06; F16C3/10; F16C3/12; F16B; F16B2200/00; F16B2200/50; F16B2200/506; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7056; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2177
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US189190A
Cited
US572497A
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US1136524A
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US1514768A
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FR850824A
Cited
US2190411A
Cited
US2364109A
Cited
US2410785A
Cited
US2485009A
Cited
US2528309A
Cited
US2573928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |