US3268904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiconductor type broad band antenna
Assignee: Kokusai Denki Electric Inc
•
Filing: 1964-04-03
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Granted: 1966-08-23
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Expires: 1984-04-03
Abstract
No abstract record available.
Inventors
- 👤 Noguchi Taiichiro
- 👤 Iki Kunihiko
- 👤 Sato Risaburo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:41
CPC Classifications
H; H01; H01Q; H01Q5/00; H01Q5/30; H01Q5/307; H01Q5/342; H01Q5/357; H01Q5/364; H01Q5/10; H01Q5/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE25437E
Cited
US3167775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |