US2858441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of increasing the uniformity of dose produced by a beam of high energy electrons throughout the volume of objects irradiated thereby
Assignee: High Voltage Engineering Corp
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Filing: 1953-12-01
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Granted: 1958-10-28
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Expires: 1973-12-01
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Gale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:44
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/02; A61L2/08; A23; A23B; A23B2/00; A23B2/50; A23B2/503; G; G21; G21K; G21K5/00; G21K5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |