US2546469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punching machine for sampling moving strip
Assignee: United States Steel Corp
•
Filing: 1948-12-14
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Granted: 1951-03-27
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Expires: 1968-12-14
Abstract
No abstract record available.
Inventors
- 👤 Earll R Muddiman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:09
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/36; Y; Y10; Y10S; Y10S83/00; Y10S83/919; Y10T; Y10T83/00; Y10T83/465; Y10T83/4749; Y10T83/4751; Y10T83/4757; Y10T83/4763; Y10T83/4766; Y10T83/4775
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |