US2680273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terminal fitting
Assignee: United States Steel Corp
•
Filing: 1948-11-12
•
Granted: 1954-06-08
•
Expires: 1968-11-12
Abstract
No abstract record available.
Inventors
- 👤 Alan E Brickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:51
CPC Classifications
D; D03; D03C; D03C9/00; D03C9/06; D03C9/0683; D03C2700/00; D03C2700/01; D03C2700/14; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3907; Y10T403/00; Y10T403/70
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) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |