US3430684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuously rotating vertical casting machine
Assignee: CIVILE D ETUDES DE CENTRIFUGAT
•
Filing: 1966-02-28
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Granted: 1969-03-04
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Expires: 1986-02-28
Abstract
No abstract record available.
Inventors
- 👤 Louis Babel
- 👤 Pierre Peytavin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:25
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/006; B22D11/14; B22D11/144
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1444953A
Cited
US1472719A
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US2284703A
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US2408514A
Cited
US2429201A
Cited
US2752648A
Cited
GB830852A
Cited
FR1228909A
Cited
GB932196A
Cited
GB950882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |