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US3473601A
Expired / Lapsed
US
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Liquid-cooled plate mold for continuous casting of high-melting metals
Assignee: Vodafone GmbH
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Filing: 1967-07-05
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Granted: 1969-10-21
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Expires: 1987-07-05
Abstract
No abstract record available.
Inventors
- 👤 Emil Pfenning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:44
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB664563A
Cited
GB686413A
Cited
US2769218A
Cited
US2867018A
Cited
US2835940A
Cited
US3298076A
Cited
US3279000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |