US3126595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of reinforcing green sand cores
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:39
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/10; B22C9/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
IN A METHOD FOR MAKING SAND CORES FOR THE CASTING AND MOLDING OF MOLTEN METALS WHEREIN THE GREEN SAND CORE CONTAINS REINFORCING METAL ELEMENTS EMBEDDED THEREIN TO STRENGTHEN THE CORE PRIOR TO CURING THE SAME, THE IMPROVEMENT WHICH COMPRISES COATING THE REINFORCING
Claim 2
Dependent Claim
42 words
IN A METHOD FOR MAKING SAND CORES FOR THE CASTING AND MOLDING OF MOLTEN METALS WHEREIN THE GREEN SAND CORE CONTAINS REINFORCING METAL ELEMENTS EMBEDDED THEREIN TO STRENGTHEN THE CORE PRIOR TO CURING THE SAME, THE IMPROVEMENT WHICH COMPRISES COATING THE REINFORCING
References Cited (Backward Citations)
GB386302A
Cited
US2045556A
Cited
US2903018A
Cited
US2960482A
Cited
US3066365A
Cited
US2958905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |