Patent US2444455A successfully refreshed from Google Patents.
US2444455A
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Static reducing pulse receiver
Assignee: STC PLC
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Filing: 1943-09-09
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Granted: 1948-07-06
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Expires: 1963-09-09
Abstract
No abstract record available.
Inventors
- 👤 Labin Emile
- 👤 Ross B Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:16
CPC Classifications
H; H03; H03G; H03G11/00; H03G11/004; G; G01; G01R; G01R29/00; G01R29/02; G01R29/027; G01R29/0273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1497299A
Cited
US2153202A
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US2181309A
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US2252447A
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US2241170A
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US2270773A
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US2294341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |