Patent US2480837A successfully refreshed from Google Patents.
US2480837A
Expired / Lapsed
US
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Scanning device for cathode-ray oscillographs
Assignee: International Standard Electric Corp
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Filing: 1943-02-19
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Granted: 1949-09-06
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Expires: 1963-02-19
Abstract
No abstract record available.
Inventors
- 👤 Henri G Busignies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:59
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/20; G01R13/22; G01R13/32; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2088495A
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US2178074A
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US2368448A
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US2375709A
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US2347008A
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US2402168A
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US2399955A
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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) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |