US3146113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mould paint
Assignee: BRITISH STEEL CASTINGS RES ASS
•
Filing: 1960-09-14
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Granted: 1964-08-25
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Expires: 1980-09-14
Abstract
No abstract record available.
Inventors
- 👤 James M Middleton
- 👤 Paul G Mcilroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:08
CPC Classifications
B; B22; B22C; B22C3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A PAINT FOR APPLICATION TO FOUNDRY SAND MOULDS AND CORES, COMPRISING ABOUT 55% TO 70% ZIRCON FLOUR, ABOUT 1.25% DEXTRIN, ABOUT 0.15% TO 0.75% HIGH VISCOSITY GRADE SODIUM ALIGNATE, AND THE BALANCE PRIMARILY WATER.
Claim 2
Dependent Claim
34 words
A PAINT FOR APPLICATION TO FOUNDRY SAND MOULDS AND CORES, COMPRISING ABOUT 55% TO 70% ZIRCON FLOUR, ABOUT 1.25% DEXTRIN, ABOUT 0.15% TO 0.75% HIGH VISCOSITY GRADE SODIUM ALIGNATE, AND THE BALANCE PRIMARILY WATER.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |