US3374380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for suppression of ion feedback in electron multipliers
Assignee: Bendix Corp
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Filing: 1965-11-10
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Granted: 1968-03-19
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Expires: 1985-11-10
Abstract
No abstract record available.
Inventors
- 👤 George W Goodrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:27
CPC Classifications
H; H01; H01J; H01J43/00; H01J43/04; H01J43/06; H01J43/18; H01J43/24; H01J43/243; H01J29/00; H01J29/02; H01J29/023; H01J29/10; H01J29/36; H01J29/38; H01J29/385; H01J29/39; H01J29/44; H01J29/45; H01J29/458; H01J31/00; H01J31/08; H01J31/26; H01J31/48; H01J31/49; H01J31/50; H01J31/506; H01J31/507; H01J31/52; H01J43/246
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) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |