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US3069727A
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Method for forming shell molded cores
Assignee: Bendix Corp
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Filing: 1960-02-24
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Granted: 1962-12-25
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Expires: 1980-02-24
Abstract
No abstract record available.
Inventors
- 👤 Ladd C Shramek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:24
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/10; B29; B29C; B29C48/00; B29C48/022; B29C48/25; B29C48/94; B29C48/03; B29C48/275; B29C48/277; B29C48/278; B29C48/285; B29C48/298; B29C48/95; B29K; B29K2101/00; B29K2101/10; B29K2301/00; B29K2301/10; Y; Y02; Y02P; Y02P70/00; Y02P70/10; Y10; Y10S; Y10S425/00; Y10S425/055; Y10S425/115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |