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US2991518A
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Apparatus for and method of casting
Assignee: Individual
•
Filing: 1957-09-03
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Granted: 1961-07-11
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Expires: 1977-09-03
Abstract
No abstract record available.
Inventors
- 👤 Edward J Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:37
CPC Classifications
B; B22; B22D; B22D18/00; B22D18/06; B22D19/00; B22D19/0054; H; H02; H02K; H02K15/00; H02K15/02; H02K15/021; H02K15/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA455258A
Cited
US1793110A
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US2517902A
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US2515654A
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US2781565A
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US2807844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |