Patent US3422654A successfully refreshed from Google Patents.
US3422654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling mill
Assignee: Individual
•
Filing: 1964-07-10
•
Granted: 1969-01-21
•
Expires: 1984-07-10
Abstract
No abstract record available.
Inventors
- 👤 Karl Sten Olof Forsberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:11
CPC Classifications
B; B21; B21B; B21B41/00; B21B41/08; B21B41/10; B21B1/00; B21B1/16; B21B1/18; B21B41/02; B21B41/04; B21B1/08; B21B1/0805; B21B13/00; B21B13/02; B21B13/06; B21B31/00; B21B31/02; B21B2031/026; B21B35/00; B21B35/02; B21B35/04; B21B35/12; B21B35/14; B21B39/00; B21B39/14; B21B39/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US600335A
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US1113474A
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US1177770A
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US1307156A
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US1370063A
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US1498620A
Cited
US1819763A
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US1910889A
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US1932750A
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US2354771A
Cited
US3110204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |