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US2914822A
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US
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Means for control assembly for the air vent of a die cavity
Assignee: MT VERNON DIE CASTING CORP
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Filing: 1957-08-26
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Granted: 1959-12-01
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Expires: 1977-08-26
Abstract
No abstract record available.
Inventors
- 👤 Nyselius Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:09
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1725144A
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US1981380A
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US1960992A
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US2243835A
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US2425552A
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US2668985A
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US2774122A
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US2799066A
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US2785448A
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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) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |