US3732115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicious composition for marking hot metal and method of making and using same
Assignee: United States Steel Corp
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Filing: 1971-08-30
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Granted: 1973-05-08
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Expires: 1991-08-30
Abstract
Abstract A LIQUID COMPOSITION FOR MARKING METAL PRODUCTS WHILE AT HIGH TEMPERATURE, BY JET-SPRAY APPLICATION, COMPRISES A PIGMENT OF METAL OXIDE, SUCH AS TITANIUM DIOXIDE, IN A VEHICLE OF SODIUM-SILICATE SOLUTTION CONTAINING KAOLIN AS A SUSPENDING AGENT. A METHOD OF MAKING SUCH COMPOSITION IS ALSO DISCLOSED.
Inventors
- 👤 D Lankard
- 👤 H Sheets
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:32
CPC Classifications
C; C09; C09D; C09D11/00; C04; C04B; C04B28/00; C04B28/24; C04B28/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-07 | 1976-11-06 | 1977-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-07 | 1980-11-06 | 1981-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-07 | 1984-11-06 | 1985-05-08 | $7700.00 | Window Closed / Lapsed |