US3491823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of continuous castings
Assignee: Gebrueder Boehler and Co AG
•
Filing: 1966-10-13
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Granted: 1970-01-27
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Expires: 1986-10-13
Abstract
No abstract record available.
Inventors
- 👤 Bruno Tarmann
- 👤 Heinrich Vonbank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:17
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/12; B22D11/1206; B21; B21B; B21B1/00; B21B1/02; B21B1/026; B21B1/46; B21B1/463; B21C; B21C1/00
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) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |