US2934479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for masking printed circuits before plating
Assignee: Individual
•
Filing: 1957-01-22
•
Granted: 1960-04-26
•
Expires: 1977-01-22
Abstract
No abstract record available.
Inventors
- 👤 Leon L Deer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:53
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/22; H05K3/24; H05K3/244; H05K1/00; H05K1/02; H05K1/11; H05K1/117; H05K2203/00; H05K2203/07; H05K2203/0703; H05K2203/0723; H05K3/02; H05K3/06; H05K3/061; H05K3/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
THE METHOD OF MAKING A PRINTED CIRCUIT BOARD COMPRISING, REVERSE PRINTING WITH A MATERIAL RESISTANT TO ELECTROPLATING A CONDUCTIVE PATTERN ON A BOARD OF METAL CLAD BASE MATERIAL, COATING WITH POLYVINYL CHLORIDE A PORTION OF THE SURFACE OF SAID BOARD, ELECTROPLATING SAID UNCOATED PORTION WITH A FIRST METAL, REMOVING SAID POLYVINYL CHLORIDE COATING AND THEN APPLYING ANOTHER COATING OF POLYVINYL CHLORIDE TO THE ELECTROPLATED PORTION, THEN ELECTRO-
Claim 2
Independent Claim
67 words
THE METHOD OF MAKING A PRINTED CIRCUIT BOARD COMPRISING, REVERSE PRINTING WITH A MATERIAL RESISTANT TO ELECTROPLATING A CONDUCTIVE PATTERN ON A BOARD OF METAL CLAD BASE MATERIAL, COATING WITH POLYVINYL CHLORIDE A PORTION OF THE SURFACE OF SAID BOARD, ELECTROPLATING SAID UNCOATED PORTION WITH A FIRST METAL, REMOVING SAID POLYVINYL CHLORIDE COATING AND THEN APPLYING ANOTHER COATING OF POLYVINYL CHLORIDE TO THE ELECTROPLATED PORTION, THEN ELECTRO-
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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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |