US2734243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of securing a metal skin in a matrix block
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
•
Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:28
CPC Classifications
B; B22; B22C; B22C11/00; Y; Y10; Y10S; Y10S425/00; Y10S425/029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A METHOD OF SECURING A METAL SKIN IN A MATRIX BLOCK, COMPRISING THE STEPS OF DEPOSITING A METAL SKIN ON AN OBJECT BY ELECTRO-DEPOSITION, PLACING A LAYER OF MATERIAL OF SUFFICIENT THICKNESS OVER THE SURFACE OF THE METAL SKIN REMOTE FROM THE CAVITY OF THE OBJECT, REMOVING SAID OBJECT, ARRANGING THE RESULTANT BODY COMPRISING SAID METAL SKIN AND LAYER OF MATERIAL ON A SUBSTRATUM AND DEPOSITION MOULDING SAID THEREON TO FORM A SAND MOULD, POURING METAL INTO SAID SAND MOULD TO CAST A METAL BLOCK, REMOVING SAID METAL BLOCK FROM SAID SAND MOULD, SAID METAL BLOCK HAVING A CAVITY CORRESPONDING IN SIZE TO THE BODY COMPRISING SAID SKIN AND LAYER OF MATERIAL, REMOVING SAID LAYER OF MATERIAL FROM SAID BODY AND PLACING SAID BODY IN THE CAVITY OF SAID METAL BLOCK, AND FILLING THE SPACE BETWEEN SAID SKIN AND SAID METAL BLOCK WITH A MATERIAL WHICH JOINS SAID SKIN AND SAID METAL BLOCK.
Claim 2
Independent Claim
153 words
A METHOD OF SECURING A METAL SKIN IN A MATRIX BLOCK, COMPRISING THE STEPS OF DEPOSITING A METAL SKIN ON AN OBJECT BY ELECTRO-DEPOSITION, PLACING A LAYER OF MATERIAL OF SUFFICIENT THICKNESS OVER THE SURFACE OF THE METAL SKIN REMOTE FROM THE CAVITY OF THE OBJECT, REMOVING SAID OBJECT, ARRANGING THE RESULTANT BODY COMPRISING SAID METAL SKIN AND LAYER OF MATERIAL ON A SUBSTRATUM AND DEPOSITION MOULDING SAID THEREON TO FORM A SAND MOULD, POURING METAL INTO SAID SAND MOULD TO CAST A METAL BLOCK, REMOVING SAID METAL BLOCK FROM SAID SAND MOULD, SAID METAL BLOCK HAVING A CAVITY CORRESPONDING IN SIZE TO THE BODY COMPRISING SAID SKIN AND LAYER OF MATERIAL, REMOVING SAID LAYER OF MATERIAL FROM SAID BODY AND PLACING SAID BODY IN THE CAVITY OF SAID METAL BLOCK, AND FILLING THE SPACE BETWEEN SAID SKIN AND SAID METAL BLOCK WITH A MATERIAL WHICH JOINS SAID SKIN AND SAID METAL BLOCK.
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) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |