US3043712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of porcelain enameling ferrous metal and product
Assignee: GIL Manufacturing Co
•
Filing: 1959-05-27
•
Granted: 1962-07-10
•
Expires: 1979-05-27
Abstract
No abstract record available.
Inventors
- 👤 Robert F Toomey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:36
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/02; C23G1/08; C11; C11D; C11D1/00; C23D; C23D3/00; C23G1/14; C23G1/20; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12597; Y10T428/12604; Y10T428/12993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
THE METHOD WHICH COMPRISES TREATING A CLEANED FERROUS BASE METAL WITH AN AQUEOUS SOLUTION CONTAINING DISSOLVED THEREIN AN APPRECIABLY WATER SOLUBLE INORGANIC SALT SELECTED FROM THE GROUP CONSISTING OF INORGANIC NITRATE AND NITRITE SALTS AND AN APPRECIABLY WATER SOLUBLE ALKALINE MATERIAL COMPATIBLE WITH SAID SALT, THE RELATIVE AMOUNTS OF SAID SALT AND SAID MATERIAL BEING FROM ABOUT 0.35 TO 0.85 MOLE OF SAID SALT TO FROM 0.80 TO 1.7 MOLES OF SAID MATERIAL AND THE TOTAL AMOUNT OF SAID SALT AND SAID MATERIAL IN SAID SOLUTION, THE TIME AND TEMPERATURW BEING SUFFICIENT TO OXIDIZE THE SURFACE OF SAID METAL, PICKING SAID METAL WITH AN ACID SOLUTION, DEPOSITING ELEMENTAL NICKEL ON SAID PICKLED METAL FROM A NICKEL SOLUTION, APPLYING A PORCELAIN COMPOSITION TO THE NICKEL SURFACE ON SAID METAL AND FUSING THE SAME.
Claim 2
Independent Claim
132 words
THE METHOD WHICH COMPRISES TREATING A CLEANED FERROUS BASE METAL WITH AN AQUEOUS SOLUTION CONTAINING DISSOLVED THEREIN AN APPRECIABLY WATER SOLUBLE INORGANIC SALT SELECTED FROM THE GROUP CONSISTING OF INORGANIC NITRATE AND NITRITE SALTS AND AN APPRECIABLY WATER SOLUBLE ALKALINE MATERIAL COMPATIBLE WITH SAID SALT, THE RELATIVE AMOUNTS OF SAID SALT AND SAID MATERIAL BEING FROM ABOUT 0.35 TO 0.85 MOLE OF SAID SALT TO FROM 0.80 TO 1.7 MOLES OF SAID MATERIAL AND THE TOTAL AMOUNT OF SAID SALT AND SAID MATERIAL IN SAID SOLUTION, THE TIME AND TEMPERATURW BEING SUFFICIENT TO OXIDIZE THE SURFACE OF SAID METAL, PICKING SAID METAL WITH AN ACID SOLUTION, DEPOSITING ELEMENTAL NICKEL ON SAID PICKLED METAL FROM A NICKEL SOLUTION, APPLYING A PORCELAIN COMPOSITION TO THE NICKEL SURFACE ON SAID METAL AND FUSING THE SAME.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |