US3120037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous casting
Assignee: Individual
•
Filing: 1961-11-01
•
Granted: 1964-02-04
•
Expires: 1981-11-01
Abstract
No abstract record available.
Inventors
- 👤 Albert W Scribner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:55
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/06; B22D11/0634
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A METHOD OF CASTING MOLTEN METAL; COMPRISING THE STEPS OF WINDING UP FLEXIBLE MOLDING STRIP INTO A COIL HAVING A CONTINUOUS GAP BETWEEN THE SUCCESSIVE CONVOLUTIONS OF THE STRIP SO THAT A CONTINUOUS SPIRAL MOLD CAVITY IS FORMED, FILLING SAID SPIRAL MOLD CAVITY WITH MOLTEN METAL, COOLING THE MOLTEN METAL TO A FROZEN STATE, AND UNWINDING AND SEPARATING SAID COIL OF FLEXIBLE MOLDING STRIP AND THE SPIRAL CASTING OF WORK METAL.
Claim 2
Independent Claim
71 words
A METHOD OF CASTING MOLTEN METAL; COMPRISING THE STEPS OF WINDING UP FLEXIBLE MOLDING STRIP INTO A COIL HAVING A CONTINUOUS GAP BETWEEN THE SUCCESSIVE CONVOLUTIONS OF THE STRIP SO THAT A CONTINUOUS SPIRAL MOLD CAVITY IS FORMED, FILLING SAID SPIRAL MOLD CAVITY WITH MOLTEN METAL, COOLING THE MOLTEN METAL TO A FROZEN STATE, AND UNWINDING AND SEPARATING SAID COIL OF FLEXIBLE MOLDING STRIP AND THE SPIRAL CASTING OF WORK METAL.
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) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |