Patent US3824176A successfully refreshed from Google Patents.
US3824176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matrix holder
Assignee: Buckbee Mears Co
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Filing: 1972-08-28
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Granted: 1974-07-16
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Expires: 1992-08-28
Abstract
Abstract A hinged frame for holding a matrix base for electroforming in an electroplating bath, which frame includes suitable rubber gasket material to define and isolate the central area of the electroforming matrix for plating. The frame includes one or more spring loaded electrical connectors for conducting current to the edges of the electroforming matrix.
Inventors
- 👤 P Crowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:59
CPC Classifications
C; C25; C25D; C25D1/00
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) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |