US3504098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printed circuit panel
Assignee: RESOURCES AND FACILITIES CORP
•
Filing: 1969-01-07
•
Granted: 1970-03-31
•
Expires: 1989-01-07
Abstract
No abstract record available.
Inventors
- 👤 Geoffrey William Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:21
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/40; H05K3/4007; H05K3/4015; H05K3/02; H05K3/04; H05K3/041
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3257537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |