US3465419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making decorative metal stock
Assignee: Engelhard Industries Inc
•
Filing: 1964-05-22
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Granted: 1969-09-09
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Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 Julian J Keenan
- 👤 Sten A Lilja
- 👤 Charles B Kramos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:46
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/02; B23K20/22; B32; B32B; B32B15/00; B32B15/01; B32B15/018; B44; B44C; B44C3/00; B44C3/005; A; A44; A44C; A44C27/00; A44C27/001; A44C27/005; A44C27/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
THE METHOD OF MAKING A CLADDING MATERIAL HAVING A DECORATIVE SURFACE, COMPRISING LAMINATING AND BONDING A PLURALITY OF METAL LAYERS OF CONTRASTING COLOR RELATIVE TO EACH OTHER TO PROVIDE A COMPOSITE STOCK MATERIAL WHEREIN ALTERNATE LAYERS OF THE COMPOSITE STOCK MATERIAL ARE EACH COMPOSED OF A METAL CONTRASTING IN COLOR RELATIVE TO ANOTHER LAYER, RECESSING SELECTIVE AREA PORTIONS OF A SURFACE LAYER TO VARIABLE DEPTHS ONE RELATIVE TO ANOTHER AND CONTINUING THE RECESSING INTO AT LEAST ONE INTERMEDIATE LAYER, EXPOSING PORTIONS OF AT LEAST THE SAID INTERMEDIATE LAYER BY REMOVAL OF LAMINAR PORTIONS OF AT LEAST THE SURFACE LAYER AND THE SAID INTERMEDIATE LAYER, AND PLASTICALLY DEFORMING THE COMPOSITE MATERIAL TO BLEND THE LAYERS OF THE COMPOSITE MATERIAL AFTER REMOVAL OF THE LAMINAR PORTIONS INTO A MATERIAL HAVING A SUBSTANTIALLY FLAT SURFACE COMPRISING BLENDED METALS OF SAID LAYERS IN A VARIEGATED COLOR DESIGN.
Claim 2
Independent Claim
143 words
THE METHOD OF MAKING A CLADDING MATERIAL HAVING A DECORATIVE SURFACE, COMPRISING LAMINATING AND BONDING A PLURALITY OF METAL LAYERS OF CONTRASTING COLOR RELATIVE TO EACH OTHER TO PROVIDE A COMPOSITE STOCK MATERIAL WHEREIN ALTERNATE LAYERS OF THE COMPOSITE STOCK MATERIAL ARE EACH COMPOSED OF A METAL CONTRASTING IN COLOR RELATIVE TO ANOTHER LAYER, RECESSING SELECTIVE AREA PORTIONS OF A SURFACE LAYER TO VARIABLE DEPTHS ONE RELATIVE TO ANOTHER AND CONTINUING THE RECESSING INTO AT LEAST ONE INTERMEDIATE LAYER, EXPOSING PORTIONS OF AT LEAST THE SAID INTERMEDIATE LAYER BY REMOVAL OF LAMINAR PORTIONS OF AT LEAST THE SURFACE LAYER AND THE SAID INTERMEDIATE LAYER, AND PLASTICALLY DEFORMING THE COMPOSITE MATERIAL TO BLEND THE LAYERS OF THE COMPOSITE MATERIAL AFTER REMOVAL OF THE LAMINAR PORTIONS INTO A MATERIAL HAVING A SUBSTANTIALLY FLAT SURFACE COMPRISING BLENDED METALS OF SAID LAYERS IN A VARIEGATED COLOR DESIGN.
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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) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |