Patent US4338244A successfully refreshed from Google Patents.
US3487318A
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US
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Mode coupled discriminator
Assignee: Motorola Solutions Inc
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Filing: 1967-11-08
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Granted: 1969-12-30
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Expires: 1987-11-08
Abstract
No abstract record available.
Inventors
- 👤 Ben H Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:29
CPC Classifications
H; H03; H03D; H03D3/00; H03D3/02; H03D3/06; H03D3/16; H03H; H03H9/00; H03H9/46; H03H9/54; H03H9/542
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2271870A
Cited
US2374735A
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US3074021A
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US3253166A
Cited
US3401276A
Cited
US3416036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |