US3534886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for metering liquid metals to be conveyed electromagnetically from melting crucibles or heat-retaining vessels
Assignee: SMS Elotherm GmbH
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Filing: 1968-06-12
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Granted: 1970-10-20
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Expires: 1988-06-12
Abstract
No abstract record available.
Inventors
- 👤 Axel Von Starck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:03
CPC Classifications
B; B22; B22D; B22D39/00; B22D39/003; B22D39/006; C; C21; C21C; C21C5/00; C21C5/52; C21C5/5241; C21C5/5247; F; F27; F27D; F27D3/00; F27D3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |