US3136011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of preparing casting moulds
Assignee: Renault SA
•
Filing: 1961-02-10
•
Granted: 1964-06-09
•
Expires: 1981-02-10
Abstract
No abstract record available.
Inventors
- 👤 Peras Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:13
CPC Classifications
B; B22; B22D; B22D7/00; B22D7/06; B22D7/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A CRUST SUITABLE FOR USE IN MOULDS AND MOULD PARTS FOR CASTING METALS AND ALLOYS COMPRISING A CERMET FORMED BY SPRAYING A MIXTURE OF A METAL AND A CERAMIC OXIDE INTO A METAL PATTERN PLATE.
Claim 2
Dependent Claim
35 words
A CRUST SUITABLE FOR USE IN MOULDS AND MOULD PARTS FOR CASTING METALS AND ALLOYS COMPRISING A CERMET FORMED BY SPRAYING A MIXTURE OF A METAL AND A CERAMIC OXIDE INTO A METAL PATTERN PLATE.
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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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |