US3527074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for regulating the thickness of rolling-mill products,and rolling mills equipped therewith
Assignee: Hydromecanique et Frottement SAS
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Filing: 1967-11-14
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Granted: 1970-09-08
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Expires: 1987-11-14
Abstract
No abstract record available.
Inventors
- 👤 Claude Guillot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:34
CPC Classifications
B; B21; B21B; B21B37/00; B21B37/58; B21B37/64; F; F15; F15B; F15B21/00; F15B21/06
Claims Analysis
Total Claims: 0
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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) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |