US2799065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for continuously casting metal bars, billets, or the like
Assignee: Stewarts and Lloyds Ltd
•
Filing: 1954-09-30
•
Granted: 1957-07-16
•
Expires: 1974-09-30
Abstract
No abstract record available.
Inventors
- 👤 Whitaker Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:54
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/14; B22D11/143; B22D11/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A PROCESS FOR CONTINUOUSLY CASTING METAL BARS, BILLEST OR THE LIKE, COMPRISING SUBJECTING THE MOLTEN METAL TO THE COMBINED ACTIONS OF GAS UNDER STATIC PRESSURE AND GAS UNDER PULSATING PRESSURE TO FEED THE METAL TO AND THROUGH THE MOULD.
Claim 2
Dependent Claim
39 words
A PROCESS FOR CONTINUOUSLY CASTING METAL BARS, BILLEST OR THE LIKE, COMPRISING SUBJECTING THE MOLTEN METAL TO THE COMBINED ACTIONS OF GAS UNDER STATIC PRESSURE AND GAS UNDER PULSATING PRESSURE TO FEED THE METAL TO AND THROUGH THE MOULD.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |