US2446701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio apparatus of replaceable standardized units
Assignee: Individual
•
Filing: 1943-04-27
•
Granted: 1948-08-10
•
Expires: 1963-04-27
Abstract
No abstract record available.
Inventors
- 👤 George B Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:07
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB273925A
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GB232314A
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FR635781A
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GB322244A
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US1968108A
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US1949137A
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US2078908A
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US2103035A
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US2064348A
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US2185562A
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GB486666A
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US2191562A
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US2268619A
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US2231056A
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US2261857A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |