US2808627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die casting apparatus
Assignee: Hahn & Kolb Werkzeugmaschinen
•
Filing: 1954-04-20
•
Granted: 1957-10-08
•
Expires: 1974-04-20
Abstract
No abstract record available.
Inventors
- 👤 Venus Willbald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:05
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/08; B22D17/10; B22D17/20; B22D17/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1916495A
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US1943680A
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US2065213A
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US2368818A
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FR908322A
Cited
US2612666A
Cited
US2494777A
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US2568771A
Cited
US2570613A
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US2587070A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |