US2738464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage divider network
Assignee: RCA Corp
•
Filing: 1951-07-09
•
Granted: 1956-03-13
•
Expires: 1971-07-09
Abstract
No abstract record available.
Inventors
- 👤 Abbett Roy Chester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:44
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/48; H03H7/482; H03H7/46; H03H7/461
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2085434A
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US2030181A
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US2319106A
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US2151081A
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US2145548A
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US2229043A
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US2229044A
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US2470307A
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US2523173A
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US2611807A
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US2539651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |