US3125974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:21
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/20; Y; Y10; Y10S; Y10S264/00; Y10S264/46; Y10S425/00; Y10S425/029; Y10T; Y10T29/00; Y10T29/49; Y10T29/49801
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AS AN ARTICLE OF MANUFACTURE, A DIE COMPOSED OF RESIN REINFORCED WITH METALLIZED GLASS FIBERS, A METAL WORKING SURFACE ON SAID DIE CONSISTING OF A METAL LAYER OF UNIFORM THICKNESS COMPOSED OF SUBSTANTIALLY PURE METAL, SAID GLASS FIBERS EACH HAVING AN OUTER SHELL OF METAL, SAID SHELL OF METAL BEING A FEW THOUSANDS OF AN INCH THICK AND PROVIDING AYIELDABLE WORKING METAL LAYER, SAID DIE HAVING AN IMPACT RESISTANT BODY PORTION ARRANGED BENEATH AND UNITED TO SAID METLA WORKING SURFACE METAL LAYER, SAID IMPACE-RESISTANT BODY COMPRISING CLOSELY PACKED WOVEN STRANDS OF SAID GLASS FIBERS AS STAPLE GLASS FIBERS WHICH ARE UNIFORMLY DISPERSED IN EPOXY RESIN AND WHICH ARE EMBEDDED INTO AND BONDED WITH SAI RESIN PROVIDING A TOUGH ABRASION RESISTANT METAL WORKING DIE.
Claim 2
Dependent Claim
123 words
AS AN ARTICLE OF MANUFACTURE, A DIE COMPOSED OF RESIN REINFORCED WITH METALLIZED GLASS FIBERS, A METAL WORKING SURFACE ON SAID DIE CONSISTING OF A METAL LAYER OF UNIFORM THICKNESS COMPOSED OF SUBSTANTIALLY PURE METAL, SAID GLASS FIBERS EACH HAVING AN OUTER SHELL OF METAL, SAID SHELL OF METAL BEING A FEW THOUSANDS OF AN INCH THICK AND PROVIDING AYIELDABLE WORKING METAL LAYER, SAID DIE HAVING AN IMPACT RESISTANT BODY PORTION ARRANGED BENEATH AND UNITED TO SAID METLA WORKING SURFACE METAL LAYER, SAID IMPACE-RESISTANT BODY COMPRISING CLOSELY PACKED WOVEN STRANDS OF SAID GLASS FIBERS AS STAPLE GLASS FIBERS WHICH ARE UNIFORMLY DISPERSED IN EPOXY RESIN AND WHICH ARE EMBEDDED INTO AND BONDED WITH SAI RESIN PROVIDING A TOUGH ABRASION RESISTANT METAL WORKING DIE.
References Cited (Backward Citations)
US1935916A
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US1928712A
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US1994668A
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US2349920A
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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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |