US3356880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brillouin beam forming apparatus including a cathode providing nonuniform electron density over the beam cross section
Assignee: General Electric Co
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Filing: 1964-10-30
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Granted: 1967-12-05
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Expires: 1984-10-30
Abstract
No abstract record available.
Inventors
- 👤 Harold F Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:04
CPC Classifications
H; H01; H01J; H01J3/00; H01J3/02; H01J3/029
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |