Patent US3064347A successfully refreshed from Google Patents.
US3064347A
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Method of and apparatus for making impact extrusions
Assignee: Harvey Machine Co Inc
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Filing: 1957-10-22
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Granted: 1962-11-20
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Expires: 1977-10-22
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Hilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:22
CPC Classifications
B; B21; B21J; B21J5/00; B21J5/06; B21J5/10; B21C; B21C23/00; B21C23/02; B21C23/04; B21C23/14; B21C23/18
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) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |