US2976587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for casting steels and other ferrous compounds in ingot moulds
Assignee: Individual
•
Filing: 1958-01-28
•
Granted: 1961-03-28
•
Expires: 1978-01-28
Abstract
No abstract record available.
Inventors
- 👤 Daussan Henri Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:36
CPC Classifications
B; B22; B22D; B22D7/00; B22D18/00; B22D18/06; B22D7/12; C; C21; C21C; C21C7/00; C21C7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1759269A
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US2734241A
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CA523595A
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US917257A
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GB212697A
Cited
US1568854A
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US1679582A
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US2087824A
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US2117114A
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US2253421A
Cited
FR62755E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |