US3374930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discharge brick for casting ladles, intermediate containers and the like
Assignee: Stoecker and Kunz GmbH
•
Filing: 1965-12-03
•
Granted: 1968-03-26
•
Expires: 1985-12-03
Abstract
No abstract record available.
Inventors
- 👤 Hase Horst
- 👤 Winkler Hans-Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:15
CPC Classifications
B; B22; B22D; B22D41/00; B22D41/50; B22D41/14; B22D41/22; B22D41/24; B22D41/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US454918A
Cited
US506328A
Cited
US1346077A
Cited
US1406746A
Cited
US1488229A
Cited
US2230514A
Cited
US2826793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |