Patent US2179612A successfully refreshed from Google Patents.
US2179612A
Expired / Lapsed
US
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Wired radio service system
Assignee: Wired Radio Inc
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Filing: 1937-08-28
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Granted: 1939-11-14
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Expires: 1957-08-28
Abstract
No abstract record available.
Inventors
- 👤 Henry R Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:47
CPC Classifications
H; H04; H04H; H04H20/00; H04H20/65; H04H20/76; H04H20/77; H04H20/84
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-11-13 | 1943-05-15 | 1943-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-13 | 1947-05-15 | 1947-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-13 | 1951-05-15 | 1951-11-14 | $7700.00 | Window Closed / Lapsed |