US3092878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for continuously forming foundry molds, cores and the like
Assignee: C and S Products Co Inc
•
Filing: 1960-08-24
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Granted: 1963-06-11
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Expires: 1980-08-24
Abstract
No abstract record available.
Inventors
- 👤 Gerald A Conger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:43
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/10; B22C23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE METHOD OF FORMING FOUNDRY MOLD OR CORE SHAPES WHICH COMPRISES, PROVIDING A BODY OF COATED FOUNDRY SAND IN WICH THE SAND PARTICLES ARE COATED WITH A THERMOSETTING BINDER, INERMITTENTLY INTRODUCING A GENERALLY PREDETERMINED QUANTITY OF THE SAND INTO A DIE HAVING A MANDREL DISPOSED ALONG A LONGITUDINAL AXIS OF THE DIE AND WITH THE DIE AND THE MANDREL DEFINING A CROSS-SECTIONAL SHAPE SUBSTANTIALLY THE SAME AS THAT OF A SHAPE TO BE
Claim 2
Independent Claim
73 words
THE METHOD OF FORMING FOUNDRY MOLD OR CORE SHAPES WHICH COMPRISES, PROVIDING A BODY OF COATED FOUNDRY SAND IN WICH THE SAND PARTICLES ARE COATED WITH A THERMOSETTING BINDER, INERMITTENTLY INTRODUCING A GENERALLY PREDETERMINED QUANTITY OF THE SAND INTO A DIE HAVING A MANDREL DISPOSED ALONG A LONGITUDINAL AXIS OF THE DIE AND WITH THE DIE AND THE MANDREL DEFINING A CROSS-SECTIONAL SHAPE SUBSTANTIALLY THE SAME AS THAT OF A SHAPE TO BE
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US2307034A
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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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |