US3485934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit board
Assignee: Xerox Corp
•
Filing: 1968-10-31
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Granted: 1969-12-23
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Expires: 1988-10-31
Abstract
No abstract record available.
Inventors
- 👤 Albert E Prather
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:00
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/40; H05K3/4038; H05K3/4084; H05K1/00; H05K1/02; H05K1/0286; H05K1/0287; H05K1/0289; H05K1/18; H05K1/181; H05K2201/00; H05K2201/09; H05K2201/09209; H05K2201/095; H05K2201/09509; H05K2201/10; H05K2201/10613; H05K2201/10621; H05K2201/10689; H05K2203/00; H05K2203/11; H05K2203/1115; H05K2203/1189; H05K3/30; H05K3/32; H05K3/328
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |