US3419359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame ionization detector
Assignee: United States Atomic Energy Commission
•
Filing: 1965-07-08
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Granted: 1968-12-31
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Expires: 1985-07-08
Abstract
No abstract record available.
Inventors
- 👤 Norman G Anderson
- 👤 Richard H Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:19
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/62; G01N27/626; G01N30/00; G01N30/02; G01N30/62; G01N30/64; G01N30/68; Y; Y10; Y10T; Y10T436/00; Y10T436/21; Y10T436/214; Y10T436/216
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 |