US3433045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling mill apparatus
Assignee: Hille Engineering Co Ltd
•
Filing: 1966-02-01
•
Granted: 1969-03-18
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Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Alexander Ian Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:58
CPC Classifications
B; B21; B21B; B21B27/00; B21B27/02; B21B27/03; B21B31/00; B21B31/08; B21B31/14; B21B31/02; B21B2031/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2064453A
Cited
US2226649A
Cited
US2599414A
Cited
US3042996A
Cited
US3204443A
Cited
US3298215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |