US3139183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion press with rotary die-wheel
Assignee: Loewy Engineering Co Ltd
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Filing: 1962-04-02
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Granted: 1964-06-30
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Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Elkan Robert Max Ludwig
- 👤 Samuel Herbert John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:07
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/21; B21C23/212; B21C23/214; B21C35/00; B21C35/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |