US3132546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermediate guide for adjacent vertical and horizontal bar-mill stands
Assignee: United States Steel Corp
•
Filing: 1961-04-12
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Granted: 1964-05-12
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Expires: 1981-04-12
Abstract
No abstract record available.
Inventors
- 👤 William J Barr
- 👤 Frank C Wassel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:56
CPC Classifications
B; B21; B21B; B21B39/00; B21B39/14; B21B1/00; B21B1/08; B21B1/12; B21B1/16; B21B1/18; B21B1/02; B21B2001/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US706993A
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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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |