Patent US2804665A successfully refreshed from Google Patents.
US2804665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for continuously casting metal
Assignee: Babcock and Wilcox Co
•
Filing: 1955-09-22
•
Granted: 1957-09-03
•
Expires: 1975-09-22
Abstract
No abstract record available.
Inventors
- 👤 Harter Isaac
- 👤 Jr Isaac Harter
- 👤 Temple W Ratcliffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:30
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/14; B22D11/141; B22D11/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR1054600A
Cited
US2060134A
Cited
DE686763C
Cited
US2243425A
Cited
US2246907A
Cited
US2376518A
Cited
US2380109A
Cited
GB598385A
Cited
US2568525A
Cited
GB704620A
Cited
US2709284A
Cited
DE909142C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |