US3521696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous casting line speed control
Assignee: BRUN SENSOR SYSTEMS Inc
•
Filing: 1967-04-19
•
Granted: 1970-07-28
•
Expires: 1987-04-19
Abstract
No abstract record available.
Inventors
- 👤 Walker B Lowman
- 👤 Victor H Fischer
- 👤 John M Richter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:49
CPC Classifications
G; G05; G05D; G05D9/00; G05D9/12; B; B22; B22D; B22D11/00; B22D11/16; B22D11/20; B22D11/201; B22D11/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2246907A
Cited
US2825104A
Cited
US3375862A
Cited
FR1373146A
Cited
US3300820A
Cited
US3358743A
Cited
US3349834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |