US2963725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing metal from crucibles
Assignee: Crane Co
•
Filing: 1953-12-17
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Granted: 1960-12-13
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Expires: 1973-12-17
Abstract
No abstract record available.
Inventors
- 👤 Kurt E B Bredtschneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:38
CPC Classifications
F; F27; F27D; F27D25/00; F27D25/001; F27B; F27B14/00; F27B14/08; F27B14/10; F27D3/00; F27D2003/0085; F27D2003/0087; Y; Y10; Y10T; Y10T408/00; Y10T408/50; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/306776
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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |