US2674640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for dispensing molten metal
Assignee: Ajax Engineering Corp
•
Filing: 1952-03-21
•
Granted: 1954-04-06
•
Expires: 1972-03-21
Abstract
No abstract record available.
Inventors
- 👤 Tama Mario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:37
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/20; B22D17/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1126079A
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US1601523A
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US1552865A
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US1837031A
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US1914354A
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US1956171A
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US2018884A
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US2022112A
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US2224982A
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US2597269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |