US3513036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing coiled,hotrolled,pickled steel strip
Assignee: Inland Steel Co
•
Filing: 1967-05-02
•
Granted: 1970-05-19
•
Expires: 1987-05-02
Abstract
No abstract record available.
Inventors
- 👤 William H Mcfarland
- 👤 Henry M Tietz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:10
CPC Classifications
C; C21; C21D; C21D8/00; C21D8/02; C21D8/04; C21D8/0421; C21D8/0426; C21D8/0436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2606848A
Cited
US2597979A
Cited
GB773071A
Cited
GB762127A
Cited
US3248270A
Cited
US3245844A
Cited
US3320099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |