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US3405028A
Expired / Lapsed
US
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Insulating and refractory composition and elements for the lining of metal casting molds incorporating such compositions
Assignee: A RESPONSABILITE Ltd DOITTAU PRODUITS METALLURGIE SOC
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Filing: 1965-05-17
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Granted: 1968-10-08
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Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 Henry Nouveau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:26
CPC Classifications
B; B22; B22D; B22D7/00; B22D7/06; B22D7/10; B22D7/102; B22C; B22C3/00; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/259
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3352743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |