Patent US2485241A successfully refreshed from Google Patents.
US2485241A
Expired / Lapsed
US
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Radio-shielded unit
Assignee: Ambac International Corp
•
Filing: 1945-04-07
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Granted: 1949-10-18
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Expires: 1965-04-07
Abstract
No abstract record available.
Inventors
- 👤 Gregor L Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:29
CPC Classifications
H; H05; H05K; H05K9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2183612A
Cited
US1097160A
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US1742109A
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US1962995A
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US2110171A
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US2162126A
Cited
US2301071A
Cited
US2324301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |