Patent US3471348A successfully refreshed from Google Patents.
US3471348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making flexible circuit connections to multilayer circuit boards
Assignee: Boeing North American Inc
•
Filing: 1968-10-04
•
Granted: 1969-10-07
•
Expires: 1988-10-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Shaheen
- 👤 Pamela L Iles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:05
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/46; H05K3/4688; H05K3/4691; H05K2201/00; H05K2201/09; H05K2201/09209; H05K2201/09654; H05K2201/09781; H05K3/0011; H05K3/0017; H05K3/002; H05K3/02; H05K3/06; H05K3/061; H05K3/062; H05K3/40; H05K3/42; H05K3/425; H05K3/427
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3202869A
Cited
US3409732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |