US3465344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single antenna dual frequency band signal coupling system
Assignee: GTE Sylvania Inc
•
Filing: 1967-01-26
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Granted: 1969-09-02
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Expires: 1987-01-26
Abstract
No abstract record available.
Inventors
- 👤 Benton Boyd Scott
- 👤 Thomas Lester Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:37
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/46; H03H7/466; H01; H01Q; H01Q5/00; H01Q5/30; H01Q5/307; H01Q5/314; H01Q5/335; H01Q5/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3217275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |