US3084063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for deposition of copper
Assignee: Pilkington Group Ltd
•
Filing: 1959-11-19
•
Granted: 1963-04-02
•
Expires: 1979-11-19
Abstract
No abstract record available.
Inventors
- 👤 Barnes Philip Carrington
- 👤 Kay Solomon Elijah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:09
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A COPPERING PROCESS EMPLOYING THE GALVANIC ACTION OF A METAL HIGHER IN THE ELECTRO-CHEMICAL SERIES THAN COPPER ON A SOLUTION OF A CUPRIC SALT TO EFFECT PRECIPITATION OF A UNIFORM COATING OF COPPER ONTO A SURFACE, WHICH COMPRISES THE STEPS OF PRODUCING A CONFINED TURBULENT STREAM OF A SOLUTION OF A CUPRIC SALT FLOWING UNDER PRESSURE INJECTING A HOMOGENEOUS FLUID SUSPENSION OF THE PRECIPITATING METAL IN POWDER FORM AT A DESIRED PREDETERMINED RATE INTO SAID STREAM TO INDUCE TURBULENT MIXNG IN SAID STREAM SO AS TO PRODUCE A STREAM OF HOMOGENEOUS TURBULENT MIXTURE, AND SPRAYING THE MIXTURE TOWARDS A SURFACE TO BE COPPERED IN SUCH MANNER THAT DROPLETS OF HOMOGENEOUS MIXTURE ARRIVE AT THE SURFACE BEFORE THERE HAS BEEN SUFFICIENT INTERACTION WITHIN THE MIXTURE TO PRECIPITATE APPRECIABLE AMOUNTS OF METALLIC COPPER.
Claim 2
Dependent Claim
131 words
A COPPERING PROCESS EMPLOYING THE GALVANIC ACTION OF A METAL HIGHER IN THE ELECTRO-CHEMICAL SERIES THAN COPPER ON A SOLUTION OF A CUPRIC SALT TO EFFECT PRECIPITATION OF A UNIFORM COATING OF COPPER ONTO A SURFACE, WHICH COMPRISES THE STEPS OF PRODUCING A CONFINED TURBULENT STREAM OF A SOLUTION OF A CUPRIC SALT FLOWING UNDER PRESSURE INJECTING A HOMOGENEOUS FLUID SUSPENSION OF THE PRECIPITATING METAL IN POWDER FORM AT A DESIRED PREDETERMINED RATE INTO SAID STREAM TO INDUCE TURBULENT MIXNG IN SAID STREAM SO AS TO PRODUCE A STREAM OF HOMOGENEOUS TURBULENT MIXTURE, AND SPRAYING THE MIXTURE TOWARDS A SURFACE TO BE COPPERED IN SUCH MANNER THAT DROPLETS OF HOMOGENEOUS MIXTURE ARRIVE AT THE SURFACE BEFORE THERE HAS BEEN SUFFICIENT INTERACTION WITHIN THE MIXTURE TO PRECIPITATE APPRECIABLE AMOUNTS OF METALLIC COPPER.
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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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |