Patent US3875554A successfully refreshed from Google Patents.
Patent US2151884A successfully refreshed from Google Patents.
US2151884A
Expired / Lapsed
US
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Combined space and wired radio receiver
Assignee: Alcatel Lucent Deutschland AG
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Filing: 1936-01-09
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Granted: 1939-03-28
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Expires: 1956-01-09
Abstract
No abstract record available.
Inventors
- 👤 Arendt Paul
- 👤 Hahnemann Walter Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:39
CPC Classifications
H; H04; H04H; H04H20/00; H04H20/65; H04H20/76; H04H20/77; H04H20/81; G; G07; G07F; G07F11/00; G07F11/02; G07F11/04; G07F11/16; G07F11/18; H04H40/00; H04H40/18; H04H40/27
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) | 1942-03-27 | 1942-09-26 | 1943-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-03-27 | 1946-09-26 | 1947-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-03-27 | 1950-09-26 | 1951-03-28 | $7700.00 | Window Closed / Lapsed |