US3404725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure casting apparatus with control means for batch volume
Assignee: Wiener Schwachstromwerke GmbH
•
Filing: 1966-01-26
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Granted: 1968-10-08
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Expires: 1986-01-26
Abstract
No abstract record available.
Inventors
- 👤 Kapun Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:40
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/20; B22D17/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE678949C
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US2356013A
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US2700737A
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GB648728A
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US2660769A
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US2741006A
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US3302253A
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US3306964A
Cited
US3252619A
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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) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |