US2959444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mill roll lifting and turning rig
Assignee: COIL HANDLING ENGINEERING Co
•
Filing: 1954-12-31
•
Granted: 1960-11-08
•
Expires: 1974-12-31
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Callender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:26
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/44; B66C1/445; B66C1/447; B66C1/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2705658A
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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) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |