US2495064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold with tungsten carbide insert
Assignee: Plastic Mold Die and Tool Inc
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Filing: 1947-08-19
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Granted: 1950-01-17
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Expires: 1967-08-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Horvath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:54
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/27; B29C45/2701; B29C45/2708; B29C45/37
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A WEAR-RESISTANT MOLD COMPRISING A BODY FORMED OF HARDENED STEEL, THE HARDNESS OF WHICH IS IMPAIRED BY TEMPERATURES REQUIRED TO SOLDER IT, SAID BODY HAVING A CAVITY AND HAVING A GATE CONNECTED WITH THE CAVITY; AND AN INSERT IN SAID BODY, SAID INSERT COMPRISING A BLOCK OF HARDENED STEEL, THE HARDNESS OF WHICH IS NOT IMPAIRED BY TEMPERATURES REQUIRED TO SOLDER IT, AND SAID INSERT FURTHER COMPRISING A WEAR-RESISTANT MEMBER OF TUNGSTEN CARBIDE SOLDERED TO SAID BLOCK, SAID MEMBER CONSTITUTING PART OF THE WALL OF SAID GATE AT A CONSTRICTED PORTION OF THE GATE AND BEING SUBJECTED TO THE FLOW OF MOLDING MATERIAL FROM THE GATE TO THE CAVITY, AND SAID BLOCK BEING REMOVABLY SECURED TO SAID BODY.
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) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |