US3405329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor devices
Assignee: Nortel Networks Ltd
•
Filing: 1964-08-10
•
Granted: 1968-10-08
•
Expires: 1984-08-10
Abstract
No abstract record available.
Inventors
- 👤 Loro Alberto
- 👤 Stanley D Rosenbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:46
CPC Classifications
H; H10; H10W; H10W20/00; H10W20/40; H10D; H10D99/00; H10W42/00; H10W42/60; H10W74/00; H10W74/40; H10W74/43; H10W72/00; H10W72/50; H10W72/531; H10W72/536; H10W72/551; H10W72/552; H10W72/5522; H10W72/59; H10W72/90; H10W72/931; H10W72/932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3300841A
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US3271201A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |