US2950640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism and method for classifying and assorting metal sheets
Assignee: United States Steel Corp
•
Filing: 1951-11-28
•
Granted: 1960-08-30
•
Expires: 1971-11-28
Abstract
No abstract record available.
Inventors
- 👤 James B Camp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:49
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/89; B; B07; B07C; B07C5/00; B07C5/04; B07C5/10; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0476; Y10T83/202; Y10T83/2022; Y10T83/2024; Y10T83/2074; Y10T83/2083; Y10T83/2085; Y10T83/2087
Claims Analysis
Total Claims: 0
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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) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |