US2646746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for billet marking
Assignee: United States Steel Corp
•
Filing: 1947-04-01
•
Granted: 1953-07-28
•
Expires: 1967-04-01
Abstract
No abstract record available.
Inventors
- 👤 Sr Herman E Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:56
CPC Classifications
B; B44; B44B; B44B5/00; B44B5/0052; Y; Y10; Y10S; Y10S101/00; Y10S101/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1995881A
Cited
US2099230A
Cited
US2339204A
Cited
US2171362A
Cited
US2400489A
Cited
US2348566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |