US2768133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic articles and method of making same
Assignee: Individual
•
Filing: 1951-08-04
•
Granted: 1956-10-23
•
Expires: 1971-08-04
Abstract
No abstract record available.
Inventors
- 👤 Lundbye Axel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:54
CPC Classifications
B; B29; B29C; B29C43/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A METHOD OF FORMING AN ELETROLYTIC COATING ON A PLASTIC ARTICLE WHICH COMPRISES FROMING A MOLD OF CURED SYNTHETIC RESIN PLASTIC HAVING A REPRODUCTING FACE DEFINED BY DEPRESSIONS THEREIN, APPLYING A CONTINUOUS AND INTEGRAL SHEET-LIKE LAYER OF SILVER UPON THE REPRODUCING FACE OF THE MOLD TO CONFORM TO AND TAKE ON THE IMPRESSED PATTERN IN THE REPRODUCING FACE, PLACING A MASS OF UNCURRED SYNTHETIC RESIN PLASTIC MATERIAL UPON THE MOLD WITH THE SILVER LAYER SANDWICHED THEREBETWEEN, APPLYING HEAT AND PRESSURE TO THE MOLD AND MASS OF MATERIAL TO SIMULTANEOUSLY CURE THE MATERIAL AND CREATE AN INTEGRAL BOND BETWEEN THE SILVER LAYER AND THE PLASTIC MATERIAL, STRIPPING THE CURED PLASTIC MATERIAL TOGETHER WITH THE SILVER LAYER BONDED THERETO FROM THE MOLD TO EXPOSE THE PATTERNED FACE OF THE SILVER LAYER, AND ELECTROPLATING THE PATTERNED FACE OF THE SILVER LAYER.
Claim 2
Independent Claim
138 words
A METHOD OF FORMING AN ELETROLYTIC COATING ON A PLASTIC ARTICLE WHICH COMPRISES FROMING A MOLD OF CURED SYNTHETIC RESIN PLASTIC HAVING A REPRODUCTING FACE DEFINED BY DEPRESSIONS THEREIN, APPLYING A CONTINUOUS AND INTEGRAL SHEET-LIKE LAYER OF SILVER UPON THE REPRODUCING FACE OF THE MOLD TO CONFORM TO AND TAKE ON THE IMPRESSED PATTERN IN THE REPRODUCING FACE, PLACING A MASS OF UNCURRED SYNTHETIC RESIN PLASTIC MATERIAL UPON THE MOLD WITH THE SILVER LAYER SANDWICHED THEREBETWEEN, APPLYING HEAT AND PRESSURE TO THE MOLD AND MASS OF MATERIAL TO SIMULTANEOUSLY CURE THE MATERIAL AND CREATE AN INTEGRAL BOND BETWEEN THE SILVER LAYER AND THE PLASTIC MATERIAL, STRIPPING THE CURED PLASTIC MATERIAL TOGETHER WITH THE SILVER LAYER BONDED THERETO FROM THE MOLD TO EXPOSE THE PATTERNED FACE OF THE SILVER LAYER, AND ELECTROPLATING THE PATTERNED FACE OF THE SILVER LAYER.
References Cited (Backward Citations)
US672451A
Cited
US1379433A
Cited
US1377504A
Cited
US1759099A
Cited
US1681447A
Cited
GB363432A
Cited
US2128550A
Cited
US2025528A
Cited
US2264003A
Cited
US2439137A
Cited
US2424583A
Cited
US2357950A
Cited
US2439489A
Cited
US2478165A
Cited
US2548765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |