Patent FR519702A successfully refreshed from Google Patents.
US3302869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-purpose rotary machine
Assignee: Individual
•
Filing: 1964-04-02
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Granted: 1967-02-07
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Expires: 1984-04-02
Abstract
No abstract record available.
Inventors
- 👤 Tchen Ni Kia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:20
CPC Classifications
F; F04; F04C; F04C18/00; F04C18/30; F04C18/40; F04C18/46; F02; F02B; F02B53/00; F04C2/00; F04C2/30; F04C2/40; F04C2/46; F02B2730/00; F02B2730/01; F02B2730/015; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US572961A
Cited
US625950A
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US854574A
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US937717A
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US937718A
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US1208030A
Cited
US1351933A
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US1675129A
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US2006298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |