US3375343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron discharge device assembly method
Assignee: General Electric Co
•
Filing: 1964-08-31
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Granted: 1968-03-26
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Expires: 1984-08-31
Abstract
No abstract record available.
Inventors
- 👤 Pre Ernest T Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:59
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/24; H01J9/36; H01J19/00; H01J19/42; H01J19/46; H01J5/00; H01J5/46; H01J2893/00; H01J2893/0001; H01J2893/0002; H01J2893/0005; H01J2893/0006; H01J2893/0007
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) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |