US3764485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making and using electroplating matrix
Assignee: Buckbee Mears Co
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Filing: 1972-01-27
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Granted: 1973-10-09
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Expires: 1992-01-27
Abstract
Abstract AN ELECTROFORMING MATRIX IS PRODUCED BY FIRST LAYING OUT ON A BASE PLATE A PATTERN USING A DOUBLE LAYER OR PHOTORESIST AND THEN SUBJECTING THE PLATE WITH THE PHOTORESIST TO ALTERNATE CYCLES OF HEAT TREATING AND PLATING. A MATRIX PROCESSED IN THIS FASHION CAN BE USED OVER AND OVER AGAIN MANY TIMES TO PRODUCE CIRCUITS AND PARTS MADE BY ELECTROFORMING OR ELECTRODEPOSITION.
Inventors
- 👤 D Jacobus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:35
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/10; G; G03; G03F; G03F7/00; G03F7/004; G03F7/09; G03F7/095; G03F7/12; H; H05; H05K; H05K3/00; H05K3/10; H05K3/20
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) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |