US3419718A
Expired / Lapsed
US
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Apparatus for measuring the flow of electrically neutral particles
Assignee: Gulf General Atomic Inc
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Filing: 1965-12-15
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Granted: 1968-12-31
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Expires: 1985-12-15
Abstract
No abstract record available.
Inventors
- 👤 Robert H Hammond
- 👤 Jr Charles H Meyer
- 👤 Bruce L Gehman
- 👤 Guy M Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:03
CPC Classifications
H; H01; H01J; H01J41/00; H01J41/02; H01J41/04; C; C23; C23C; C23C14/00; C23C14/22; C23C14/54; C23C14/542; C23C14/544; G; G01; G01F; G01F1/00; G21; G21K; G21K1/00; G21K1/02; G21K1/04; G21K1/043; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2102
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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |