US2887392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal containing patterns and method of producing same
Assignee: Individual
•
Filing: 1956-08-27
•
Granted: 1959-05-19
•
Expires: 1976-08-27
Abstract
No abstract record available.
Inventors
- 👤 Lolley Barbara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:32
CPC Classifications
B; B22; B22C; B22C7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A PATTERN OF HIGH DIMESIONAL AND STRUCTURAL STABILITY, GOOD THERMAL CONDUCTIVITY AND HIGH SURFACE SMOOTHNESS CONSISTING ESSENTIALLY OF METALLIC PARTICLES SELECTED FROM THE GROUP CONSISTING OF IRON POWDER, STEEL POWDER, IRON ALLOY POWDER, STEEL ALLOY POWDER, NICKEL POWDER, COPPER POWDER AND MIXTURES OF THE FOREGOING HAVING A MESH SIZE IN THE RANGE OF - 325 MESH TO 16 MESH AND A WATER SET, HIGH TEMPERATURE CALCIUM ALUMINATE HYDRAULIC BINDER POSSESSING HIGH STRUCTURAL AND DIMENSIONAL THERMAL STABILITY, SAID METAL PARTICLES BEING IN AN AMOUNT FROM ABOUT 2 1/2 TO ABOUT 6 PARTS BY WEIGHT PER PART OF CALCIUM ALUMINATE BINDER.
Claim 2
Dependent Claim
99 words
A PATTERN OF HIGH DIMESIONAL AND STRUCTURAL STABILITY, GOOD THERMAL CONDUCTIVITY AND HIGH SURFACE SMOOTHNESS CONSISTING ESSENTIALLY OF METALLIC PARTICLES SELECTED FROM THE GROUP CONSISTING OF IRON POWDER, STEEL POWDER, IRON ALLOY POWDER, STEEL ALLOY POWDER, NICKEL POWDER, COPPER POWDER AND MIXTURES OF THE FOREGOING HAVING A MESH SIZE IN THE RANGE OF - 325 MESH TO 16 MESH AND A WATER SET, HIGH TEMPERATURE CALCIUM ALUMINATE HYDRAULIC BINDER POSSESSING HIGH STRUCTURAL AND DIMENSIONAL THERMAL STABILITY, SAID METAL PARTICLES BEING IN AN AMOUNT FROM ABOUT 2 1/2 TO ABOUT 6 PARTS BY WEIGHT PER PART OF CALCIUM ALUMINATE BINDER.
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) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |