Patent US3418114A successfully refreshed from Google Patents.
US3418114A
Expired / Lapsed
US
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Method of producing a metal sheet by slip casting
Assignee: Comstock Co
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Filing: 1967-11-28
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Granted: 1968-12-24
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Expires: 1987-11-28
Abstract
No abstract record available.
Inventors
- 👤 Frances H Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:20
CPC Classifications
B; B22; B22F; B22F5/00; B22F5/006; B22F3/00; B22F3/22; B22F2998/00; B22F2998/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3322536A
Cited
US3335000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |