Patent US3558993A successfully refreshed from Google Patents.
US3558993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical component assemblies with improved printed circuit construction
Assignee: ZF International UK Ltd
•
Filing: 1968-08-27
•
Granted: 1971-01-26
•
Expires: 1988-08-27
Abstract
Abstract AN ELECTRICAL COMPONENT ASSEMBLY COMPRISING A TILE HAVING CIRCUITS ON BOTH SIDES, A SLIDE MOUNTED ON THE TILE AND ENCLOSED WITHIN A COVER SECURED TO THE TILE, CONNECTION BETWEEN THE CIRCUITS AT OPPOSITE SIDES OF THE TILE BEING MADE THROUGH DRILLINGS AND THE COVER BEING SECURED TO THE TILE AT A REGION WHICH IS CLEAR OF CIRCUITS.
Inventors
- 👤 Ronald William Rigby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:53
CPC Classifications
H; H05; H05K; H05K5/00; H05K5/0091; H05K5/0095; H10; H10W; H10W72/00; H10W72/071; H10W72/075; H10W72/50; H10W72/531; H10W72/5363; H10W72/541; H10W72/5445; H10W90/00; H10W90/701; H10W90/751; H10W90/754
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |