US3355796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of clad rods, wires and the like
Assignee: Texas Instruments Inc
•
Filing: 1965-05-26
•
Granted: 1967-12-05
•
Expires: 1985-05-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Gerald H Frieling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:17
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
THE METHOD OF PRODUCING CLAD WIRES, RODS AND THE LIKE, COMPRISING FEEDING A LENGTH OF CLEAN BASE-METAL CORE MATERIAL BETWEEN TWO LENGTHS OF COMPOSITE BONDED STRIPS EACH OF WHICH COMPRISES A BASE-METAL LAYER AND A CLEAN SOFT PRECIOUS-METAL LAYER, SAID LAYERS BEING BONDED, THE PRECIOUS-METAL LAYERS BEING LOCATED ADJACENT THE CORE MATERIAL AND IN OPPOSITE TO EACH OTHER, FEEDING THE CORE MATERIAL AND THE COMPOSITE STRIPS THUS ARRANGED BETWEEN ROLL SQUEEZING MEANS TO SOLID-PHASE BOND THE PRECIOUS METAL TO AND AROUND THE PERIPHERY OF THE CORE MATERIAL AND TO SOLID-PHASE BOND THE OPPOSING TRANSVERSE STRIPES OF THE PRECIOUS-METAL LAYERS THEREBY TO PROVIDE THE CORE MATERIAL WITH A JACKET WHICH BY ITS PRECIOUS-METAL LAYER PROTECTS THE BASE METAL OF THE CORE BUT EXPOSES THE BASE METAL OF THE JACKET, AND SUBJECTING THE JACKET TO A SELECTIVE PICKLING TO REMOVE ONLY ITS EXPOSED BASE METAL.
Claim 2
Independent Claim
143 words
THE METHOD OF PRODUCING CLAD WIRES, RODS AND THE LIKE, COMPRISING FEEDING A LENGTH OF CLEAN BASE-METAL CORE MATERIAL BETWEEN TWO LENGTHS OF COMPOSITE BONDED STRIPS EACH OF WHICH COMPRISES A BASE-METAL LAYER AND A CLEAN SOFT PRECIOUS-METAL LAYER, SAID LAYERS BEING BONDED, THE PRECIOUS-METAL LAYERS BEING LOCATED ADJACENT THE CORE MATERIAL AND IN OPPOSITE TO EACH OTHER, FEEDING THE CORE MATERIAL AND THE COMPOSITE STRIPS THUS ARRANGED BETWEEN ROLL SQUEEZING MEANS TO SOLID-PHASE BOND THE PRECIOUS METAL TO AND AROUND THE PERIPHERY OF THE CORE MATERIAL AND TO SOLID-PHASE BOND THE OPPOSING TRANSVERSE STRIPES OF THE PRECIOUS-METAL LAYERS THEREBY TO PROVIDE THE CORE MATERIAL WITH A JACKET WHICH BY ITS PRECIOUS-METAL LAYER PROTECTS THE BASE METAL OF THE CORE BUT EXPOSES THE BASE METAL OF THE JACKET, AND SUBJECTING THE JACKET TO A SELECTIVE PICKLING TO REMOVE ONLY ITS EXPOSED BASE METAL.
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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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |