US3526529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing high tensile strength aluminum coated ferrous strands
Assignee: Armco Inc
•
Filing: 1969-04-09
•
Granted: 1970-09-01
•
Expires: 1989-04-09
Abstract
No abstract record available.
Inventors
- 👤 Marvin B Pierson
- 👤 Earle L Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:39
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/12; C23C2/003; C23C2/0035; C23C2/0038; C23C2/02; C23C2/022; C23C2/0224; C23C2/024
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2197622A
Cited
US2294750A
Cited
US2372599A
Cited
US2592282A
Cited
US3057050A
Cited
US2926103A
Cited
US3013899A
Cited
US3082119A
Cited
US3259148A
Cited
US3227577A
Cited
US3322560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |