US3567593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of etching and electroplating printed circuits
Assignee: Buckbee Mears Co
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Filing: 1968-09-17
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Granted: 1971-03-02
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Expires: 1988-09-17
Abstract
Abstract A PROCESS OF ETCHING AND ELECTROPLATING A PRINTED CIRCUIT HAVING A RECESSED REGION UTILIZING THE SAME RESIST MATERIAL TO CONTROL THE ETCHING AND THE ELECTROPLATING.
Inventors
- 👤 George G Burlingame
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:05
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/02; H05K3/06; H05K2203/00; H05K2203/03; H05K2203/0369; H05K2203/05; H05K2203/0562; H05K2203/0571; H05K2203/0597; H05K2203/07; H05K2203/0703; H05K2203/0723; H05K3/061; H05K3/064; H05K3/10; H05K3/20; H05K3/202; H05K3/22; H05K3/24; H05K3/244
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |