US2984762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron beam tube and magnetic circuitry therefor
Assignee: Varian Medical Systems Inc
•
Filing: 1958-05-15
•
Granted: 1961-05-16
•
Expires: 1978-05-15
Abstract
No abstract record available.
Inventors
- 👤 Laird K S Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:56
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/36; H01J25/38; H01J19/00; H01J19/02; H01J23/00; H01J23/02; H01J23/08; H01J23/087; H01J23/36; H01J23/40; H01J23/48; H01J23/50; H01J2893/00; H01J2893/0001
Claims Analysis
Total Claims: 0
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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) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |