Patent US3059768A successfully refreshed from Google Patents.
US3059768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of extruded sections by using nonround billets
Assignee: Individual
•
Filing: 1960-10-24
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Granted: 1962-10-23
•
Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Hubert J Altwicker
- 👤 Karl F Braeuninger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:18
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/21
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |