Patent US3238071A successfully refreshed from Google Patents.
US3238071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating explosively clad metals
Assignee: EIDP Inc
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Filing: 1963-07-09
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Granted: 1966-03-01
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Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 Arnold H Holtzman
- 👤 Pocalyko Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:24
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/06; B23K20/08; B32; B32B; B32B15/00; B32B15/01; B32B15/013; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/94
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PROCESS WHICH COMRISES REDUCING THE THICKNESS OF A MULTI-LAYERED METAL COMPOSITE BY COLD ROLLING, AND ANNEALING THE RESULTING PRODUCT AT A TEMPERATURE BELOW THE MELTING POINT IN THE LOWEST MELTING LAYER THEREIN, SAID COMPOSIATE COMPRISING TWO METAL LAYERS EACH HAVING A THICKNESS OF AT LEAST 10 MILS, SAID LAYERS BEING JOINED BY LOW VELOCITY EXPLOSIVE CLADDING AND HAVING IN THE BOND ZONE THEREBETWEEN A HARD PHASE HAVING A DIAMOND PYRAMID HARDNESS OF GREATGER THAN ABOUT 450.
Claim 2
Dependent Claim
77 words
A PROCESS WHICH COMRISES REDUCING THE THICKNESS OF A MULTI-LAYERED METAL COMPOSITE BY COLD ROLLING, AND ANNEALING THE RESULTING PRODUCT AT A TEMPERATURE BELOW THE MELTING POINT IN THE LOWEST MELTING LAYER THEREIN, SAID COMPOSIATE COMPRISING TWO METAL LAYERS EACH HAVING A THICKNESS OF AT LEAST 10 MILS, SAID LAYERS BEING JOINED BY LOW VELOCITY EXPLOSIVE CLADDING AND HAVING IN THE BOND ZONE THEREBETWEEN A HARD PHASE HAVING A DIAMOND PYRAMID HARDNESS OF GREATGER THAN ABOUT 450.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |