US3523353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Back plane wiring apparatus
Assignee: Unisys Corp
•
Filing: 1968-04-26
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Granted: 1970-08-11
•
Expires: 1988-04-26
Abstract
No abstract record available.
Inventors
- 👤 John H Drinkard
- 👤 Edward D Giandomenico
- 👤 Harold Grenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:56
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/06; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53004; Y10T29/53087; Y10T29/5313; Y10T29/53165; Y10T29/532; Y10T29/53209; Y10T29/53213; Y10T29/53235
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) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |