US2932564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mica treated metals
Assignee: Individual
•
Filing: 1957-06-21
•
Granted: 1960-04-12
•
Expires: 1977-06-21
Abstract
No abstract record available.
Inventors
- 👤 Norman R Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:05
CPC Classifications
C; C22; C22C; C22C1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A SOLID CAST METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM , CADMIUM, CHROMIUM, COBALT, COPPER, LEAD, MAGNESIUM, MANGANESE, MOLYBDENUM, NICKEL, TIN, TITANIUM, TUNGSTEN, URANIUM, VANADIUM, ZINC, ZIRCONIUM, STEEL, AND ALLOY STEEL, SAID SOLID CAST METAL CONTAINING MICA INTRODUCED IN MOLTEN METAL PRIOR TO CASTING SAID MICA BEING MADE OF MATERIALS HAVING BOTH SILICATE AND HALOGEN COMPOUNDS OF AT LEAST ONE OF THE ELEMENTS SELECTED FROM THE GROUP CONSISTING OF THE RARE EARTHS, THE ALKALI METALS, THE ALKALINE EARTH METALS, AND NON-FERROUS METALS CONSISTING OF ALUMINUM, BORON, COPPER, MOLYBDENUM, BISMUTH, NICKEL COBALT, CHROMIUM, TITANIUM, ANTIMONY, MANGANESE, URANIUM, LEAD, TIN, ZINC, TELLURIUM, VANADIUM, SELENIUM, CADMIUM AND ZIRCONIUM, THE MICA BEING IN AN AMOUNT RANGING FROM 0.05% BY WEIGHT TO 15.0%, SAID HALOGEN COMPOUNDS SELECTED FROM THE CLASS INCLUDING FLUORINE, CHLORINE, BROMINE, AND IODINE.
Claim 2
Dependent Claim
132 words
A SOLID CAST METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM , CADMIUM, CHROMIUM, COBALT, COPPER, LEAD, MAGNESIUM, MANGANESE, MOLYBDENUM, NICKEL, TIN, TITANIUM, TUNGSTEN, URANIUM, VANADIUM, ZINC, ZIRCONIUM, STEEL, AND ALLOY STEEL, SAID SOLID CAST METAL CONTAINING MICA INTRODUCED IN MOLTEN METAL PRIOR TO CASTING SAID MICA BEING MADE OF MATERIALS HAVING BOTH SILICATE AND HALOGEN COMPOUNDS OF AT LEAST ONE OF THE ELEMENTS SELECTED FROM THE GROUP CONSISTING OF THE RARE EARTHS, THE ALKALI METALS, THE ALKALINE EARTH METALS, AND NON-FERROUS METALS CONSISTING OF ALUMINUM, BORON, COPPER, MOLYBDENUM, BISMUTH, NICKEL COBALT, CHROMIUM, TITANIUM, ANTIMONY, MANGANESE, URANIUM, LEAD, TIN, ZINC, TELLURIUM, VANADIUM, SELENIUM, CADMIUM AND ZIRCONIUM, THE MICA BEING IN AN AMOUNT RANGING FROM 0.05% BY WEIGHT TO 15.0%, SAID HALOGEN COMPOUNDS SELECTED FROM THE CLASS INCLUDING FLUORINE, CHLORINE, BROMINE, AND IODINE.
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) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |