Patent US2997683A successfully refreshed from Google Patents.
US2997683A
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US
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Transmission line connector
Assignee: TRIO Manufacturing Co
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Filing: 1958-09-29
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Granted: 1961-08-22
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Expires: 1978-09-29
Abstract
No abstract record available.
Inventors
- 👤 Herbert G Koenig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:34
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/18; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/06; H01Q9/10; H01R; H01R4/00; H01R4/24; H01R4/2475; H01R4/2483
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2433892A
Cited
US2627537A
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US2654857A
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US2666908A
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US2727220A
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US2740100A
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US2859423A
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US2759095A
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US2835852A
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US2929043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |