Patent US2700749A successfully refreshed from Google Patents.
US2700749A
Expired / Lapsed
US
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Resistor for high-frequency electrical transmission lines
Assignee: Individual
•
Filing: 1950-10-24
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Granted: 1955-01-25
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Expires: 1970-10-24
Abstract
No abstract record available.
Inventors
- 👤 James R Bird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:56
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/22; H01P1/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2030180A
Cited
US2273547A
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US2438915A
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US2434560A
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US2423506A
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US2474794A
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GB614005A
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US2667622A
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US2524183A
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US2521828A
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US2526846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |