US3457760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion of composite metal articles
Assignee: Reynolds Metals Co
•
Filing: 1966-12-16
•
Granted: 1969-07-29
•
Expires: 1986-12-16
Abstract
No abstract record available.
Inventors
- 👤 Clarence T Cassady
- 👤 Russell V Bobb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:24
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2638213A
Cited
US3021004A
Cited
US3095973A
Cited
US3118180A
Cited
US3285786A
Cited
US3308508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |