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Patent US3518546A successfully refreshed from Google Patents.
US3518546A
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Harmonic communication and navigation system
Assignee: Microlab FXR LLC
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Filing: 1966-12-12
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Granted: 1970-06-30
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Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 Harry A Augenblick
- 👤 John G Vogler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:14
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/74; G01S13/75; G01S13/751; G01S13/753; G01S13/02; G01S13/50; G01S13/58; G01S13/583; G01S13/584; H; H01; H01Q; H01Q3/00; H01Q3/44; H01Q3/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2460781A
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US2607004A
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US3117277A
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US3108275A
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US3183441A
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US3368150A
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US3390333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |