US3393727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous casting machine having billet shape maintaining rollers
Assignee: Raymond Kaiser Engineers Inc
•
Filing: 1965-10-22
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Granted: 1968-07-23
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Rys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:15
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/009; B22D11/12; B22D11/128; B22D11/1287
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US431179A
Cited
DE674136C
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DE746027C
Cited
US2707813A
Cited
US3015862A
Cited
GB950882A
Cited
FR1323948A
Cited
FR1353998A
Cited
FR1335289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |