US2906873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discriminator circuit
Assignee: TDK Micronas GmbH
•
Filing: 1956-02-23
•
Granted: 1959-09-29
•
Expires: 1976-02-23
Abstract
No abstract record available.
Inventors
- 👤 Polyzou James
- 👤 John H Brundage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:05
CPC Classifications
H; H03; H03D; H03D3/00; H03D3/02; H03D3/06; H03D3/08; H03J; H03J7/00; H03J7/02; H03J7/04; H04; H04L; H04L27/00; H04L27/10; H04L27/14; H04L27/144; H04L27/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE721138C
Cited
US2243417A
Cited
US2374735A
Cited
US2524992A
Cited
US2712600A
Cited
US2743361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |