US2810187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cutting metal bundles
Assignee: National Steel Corp
•
Filing: 1952-07-31
•
Granted: 1957-10-22
•
Expires: 1972-07-31
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:31
CPC Classifications
B; B23; B23D; B23D45/00; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1274; Y10T279/1291; Y10T82/00; Y10T82/16; Y10T82/16426; Y10T82/16655; Y10T82/16754; Y10T82/16967
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2423629A
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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) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |