US3509268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mass interconnection device
Assignee: Unisys Corp
•
Filing: 1967-04-10
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Granted: 1970-04-28
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Expires: 1987-04-10
Abstract
No abstract record available.
Inventors
- 👤 Leon Schwartz
- 👤 Real J Fradette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:53
CPC Classifications
H; H01; H01R; H01R12/00; H01R12/50; H01R12/51; H01R12/52; H01R12/523; H05; H05K; H05K3/00; H05K3/30; H05K3/306; H05K3/308; H05K3/46; H05K3/4611; H05K3/4623; H05K2201/00; H05K2201/04; H05K2201/044; H05K2201/09; H05K2201/09209; H05K2201/095; H05K2201/096; H05K2201/10; H05K2201/10227; H05K2201/10295; H05K2201/10303; H05K2201/10613; H05K2201/10742; H05K2201/1075; H05K2201/1081; H05K2201/10878; H05K3/40; H05K3/4038; H05K3/4046
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) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |