US2962278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holding apparatus for molten metals
Assignee: Georg Fischer AG
•
Filing: 1957-10-25
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Granted: 1960-11-29
•
Expires: 1977-10-25
Abstract
No abstract record available.
Inventors
- 👤 Goetz Walter
- 👤 Buhrer Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:38
CPC Classifications
C; C21; C21C; C21C1/00; C21C1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US38513A
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US980369A
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US1133317A
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US2071890A
Cited
GB446686A
Cited
US2339337A
Cited
US2406147A
Cited
FR1019121A
Cited
US2842354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |