US2824969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of materials by electronic bombardment
Assignee: Metropolitan Vickers Electrical Co Ltd
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Filing: 1955-01-17
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Granted: 1958-02-25
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Expires: 1975-01-17
Abstract
No abstract record available.
Inventors
- 👤 Crowley-Milling Michae Crowley
- 👤 Bay Colwyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:27
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/02; A61L2/08; A23; A23B; A23B2/00; A23B2/50; A23B2/503; G; G21; G21K; G21K1/00; G21K1/08; G21K1/093
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) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |