US3373406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Logic circuit board matrix having diode and resistor crosspoints
Assignee: Ametek Inc
•
Filing: 1963-12-04
•
Granted: 1968-03-12
•
Expires: 1983-12-04
Abstract
No abstract record available.
Inventors
- 👤 John W Cannon
- 👤 Workings John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:08
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2590950A
Cited
US2749484A
Cited
US2898483A
Cited
BE569329A
Cited
US2943312A
Cited
US3061816A
Cited
US3248711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |