US2927032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry, friable molding batch with thermosetiting properties for foundry work
Assignee: Croning and Co
•
Filing: 1957-07-23
•
Granted: 1960-03-01
•
Expires: 1977-07-23
Abstract
No abstract record available.
Inventors
- 👤 Lottermoser Manfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:23
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/16; B22C1/167
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AS A NEW COMPOSITION OF MATTER, A MOLDING BATCH FOR FOUNDRY WORK CONSISTING OF A DRY NONTACKY MIXTURE OF 100 PARTS BY WEIGHT OF A GRANULAR REFRACTORY MATERIAL WITH 2 TO 25 PARTS BY WEIGHT OF POWDERED COAGULATED OXIDIZED PRODUCTS OF AN OIL HAVING AT LEAST SEMI- DRYING PROPERTIES AND POWDERED ELEMENTAL SULPHUR IN AN AMOUNT OF SUBSTANTIALLY 20% TO 70% BY WEIGHT OF SAID COAGULATED PRODUCTS.
Claim 2
Dependent Claim
67 words
AS A NEW COMPOSITION OF MATTER, A MOLDING BATCH FOR FOUNDRY WORK CONSISTING OF A DRY NONTACKY MIXTURE OF 100 PARTS BY WEIGHT OF A GRANULAR REFRACTORY MATERIAL WITH 2 TO 25 PARTS BY WEIGHT OF POWDERED COAGULATED OXIDIZED PRODUCTS OF AN OIL HAVING AT LEAST SEMI- DRYING PROPERTIES AND POWDERED ELEMENTAL SULPHUR IN AN AMOUNT OF SUBSTANTIALLY 20% TO 70% BY WEIGHT OF SAID COAGULATED PRODUCTS.
References Cited (Backward Citations)
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Cited
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Cited
US1888270A
Cited
US1987530A
Cited
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Cited
US2706188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |