US2640948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for utilizing a beam of high energy electrons in sterilization and in therapy
Assignee: High Voltage Engineering Corp
•
Filing: 1950-09-21
•
Granted: 1953-06-02
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Expires: 1970-09-21
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Burrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:22
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/29; A; A23; A23B; A23B2/00; A23B2/50; A23B2/503; H; H01; H01J; H01J33/00; Y; Y10; Y10S; Y10S164/00; Y10S164/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2264495A
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US2232030A
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US2182185A
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US2322556A
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US2517260A
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US2449872A
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US2460201A
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US2501882A
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US2525919A
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US2521426A
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US2544898A
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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) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |