US2876511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foundry mold composition and method of preparing and maintaining the same for repeated use
Assignee: Mold Rite Corp
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Filing: 1952-02-23
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Granted: 1959-03-10
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Expires: 1972-02-23
Abstract
No abstract record available.
Inventors
- 👤 Baugh Jesse Leroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:35
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/16; B22C1/167
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A FOUNDRY CONPOSITION FOR FORMING MOLDS FOR METAL CASTING ESSENTIALLY CONSISTING IN APPROXIMATE PROPORTIONS OF 1600 POUNDS OF SILICA SAND, EIGHT QUARTS OF PETROLEUM ASPHALT EMULSION, ONE AND ONE-HALF PINTS OF BONDING CLAY, ONE QUART OF WOOD FLOUR AND ONE QUART OF FINELY DIVIDED VEGETABLE FIBRE, SAID COMPOSITION HAVING A MOISTURE CONTENT OF APPROXIMATELY 3% TO 3.5% BY WEIGHT.
Claim 2
Dependent Claim
59 words
A FOUNDRY CONPOSITION FOR FORMING MOLDS FOR METAL CASTING ESSENTIALLY CONSISTING IN APPROXIMATE PROPORTIONS OF 1600 POUNDS OF SILICA SAND, EIGHT QUARTS OF PETROLEUM ASPHALT EMULSION, ONE AND ONE-HALF PINTS OF BONDING CLAY, ONE QUART OF WOOD FLOUR AND ONE QUART OF FINELY DIVIDED VEGETABLE FIBRE, SAID COMPOSITION HAVING A MOISTURE CONTENT OF APPROXIMATELY 3% TO 3.5% BY WEIGHT.
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) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |