US3116524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold coating
Assignee: Union Carbide Corp
•
Filing: 1960-09-01
•
Granted: 1964-01-07
•
Expires: 1980-09-01
Abstract
No abstract record available.
Inventors
- 👤 John G Royal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:08
CPC Classifications
B; B22; B22C; B22C23/00; B22C23/02; B22C3/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
65 words
A METHOD FOR CASTING METAL IN A PROTECTIVELY-LINED METAL MOLD COMPRISING PREPARING A BINDER FREE COATING SLURRY OF GLASS PARTICLES AND WATER, COATING THE INTERIOR SURFACES OF A MOLD WITH SAID SLURRY, DRYING SAID COATING TO FORM A MACROSCOPICALLY CONTINUOUS FILM OF MACROSCIPICALLY DISCRETE GLASS PARTICLES ON THE MOLD SURFACES, POURING MOLTEN METAL INTO THE SO-LINED MOLD, AND SOLIDIFYING THE MOLTEN METAL IN THE MOLD.
Claim 2
Independent Claim
65 words
A METHOD FOR CASTING METAL IN A PROTECTIVELY-LINED METAL MOLD COMPRISING PREPARING A BINDER FREE COATING SLURRY OF GLASS PARTICLES AND WATER, COATING THE INTERIOR SURFACES OF A MOLD WITH SAID SLURRY, DRYING SAID COATING TO FORM A MACROSCOPICALLY CONTINUOUS FILM OF MACROSCIPICALLY DISCRETE GLASS PARTICLES ON THE MOLD SURFACES, POURING MOLTEN METAL INTO THE SO-LINED MOLD, AND SOLIDIFYING THE MOLTEN METAL IN THE MOLD.
Claim 3
Dependent Claim
24 words
A PROTECTIVELY-LINED CASTING METAL MOLD HAVING AS A BINDER FREE COATING ON ITS INTERIOR SURFACES A MACROSCOPICALLY CONTINUOUS FILM OF MACROSCIOPICALLY DISCRETE GLASS PARTICLES.
Claim 4
Dependent Claim
24 words
A PROTECTIVELY-LINED CASTING METAL MOLD HAVING AS A BINDER FREE COATING ON ITS INTERIOR SURFACES A MACROSCOPICALLY CONTINUOUS FILM OF MACROSCIOPICALLY DISCRETE GLASS PARTICLES.
References Cited (Backward Citations)
US1325725A
Cited
US1331816A
Cited
US1662354A
Cited
US1770684A
Cited
US1982763A
Cited
US2623809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |