US3029941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for sorting by impedance characteristics
Assignee: Nortel Networks Ltd
•
Filing: 1959-03-20
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Granted: 1962-04-17
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Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 Zenon A Knlar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:11
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/01; G01R31/013; G01R31/016; B; B07; B07C; B07C5/00; B07C5/34; B07C5/344; Y; Y10; Y10S; Y10S209/00; Y10S209/941
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2237254A
Cited
US2357801A
Cited
US2430080A
Cited
US2468843A
Cited
US2479051A
Cited
US2566767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |