US2832108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for the casting and solidification of molten materials
Assignee: Individual
•
Filing: 1956-04-04
•
Granted: 1958-04-29
•
Expires: 1976-04-04
Abstract
No abstract record available.
Inventors
- 👤 Carl A Vossberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:54
CPC Classifications
B; B22; B22D; B22D13/00; B22D13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1656539A
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US1951426A
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US2206930A
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US2398341A
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US2682691A
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US2709284A
Cited
US2659823A
Cited
US2750519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |