US2447572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio cabinet
Assignee: Zenith Electronics LLC
•
Filing: 1945-10-08
•
Granted: 1948-08-24
•
Expires: 1965-10-08
Abstract
No abstract record available.
Inventors
- 👤 Emde Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:45
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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CA170992A
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US1697215A
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US1661535A
Cited
US1761019A
Cited
US1692064A
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US1716242A
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US2069127A
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US2242201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-24 | 1952-02-23 | 1952-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-24 | 1956-02-23 | 1956-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-24 | 1960-02-23 | 1960-08-24 | $7700.00 | Window Closed / Lapsed |