Patent US3409769A successfully refreshed from Google Patents.
US3409769A
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X-ray spectrometer sample cell having an adjustable secondary x-radiation radiator and taut x-ray transparent window
Assignee: ConocoPhillips Co
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Filing: 1965-07-26
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Granted: 1968-11-05
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Expires: 1985-07-26
Abstract
No abstract record available.
Inventors
- 👤 Charles N Mckinney
- 👤 Harold F Smith
- 👤 William K Pollard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:01
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/20; G01N23/20008; G01N23/22; G01N23/2204; G01N2223/00; G01N2223/03; G01N2223/04; G01N2223/07; G01N2223/071; G01N2223/076; G01N2223/10; G01N2223/101; G01N2223/1016; G01N2223/20; G01N2223/204; G01N2223/30; G01N2223/307; G01N2223/317; G01N2223/60; G01N2223/637
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2791698A
Cited
US3354308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |