US3488586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency modulated light coupled data link
Assignee: General Electric Co
•
Filing: 1965-06-02
•
Granted: 1970-01-06
•
Expires: 1985-06-02
Abstract
No abstract record available.
Inventors
- 👤 Donald L Watrous
- 👤 John D Harnden Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:58
CPC Classifications
G; G01; G01R; G01R15/00; G01R15/14; G01R15/22; G08; G08C; G08C23/00; G08C23/04; H; H04; H04B; H04B10/00; H04B10/50; H04B10/501; H04B10/502; H04B10/508; Y; Y10; Y10S; Y10S128/00; Y10S128/908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3258596A
Cited
US2689949A
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US3110813A
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US3087065A
Cited
US3029353A
Cited
US3083299A
Cited
US3192387A
Cited
US3157843A
Cited
US3346811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |