US3388282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biased crossed field dynamic electron multiplier
Assignee: HALLICRAFTERS CO
•
Filing: 1965-03-29
•
Granted: 1968-06-11
•
Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Robert B Hankin
- 👤 Ernest P Dallafior
- 👤 Bernard P Alpiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:57
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/42; H01J25/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2179996A
Cited
US2492680A
Cited
US2520603A
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US2674694A
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US2776374A
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US3233140A
Cited
US3231742A
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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) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |