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US3427873A
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US
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Corrosion fatigue testing apparatus and procedure
Assignee: ConocoPhillips Co
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Filing: 1966-03-30
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Granted: 1969-02-18
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Expires: 1986-03-30
Abstract
No abstract record available.
Inventors
- 👤 Parviz Mehdizadeh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:39
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/32; G01N17/00; G01N2203/00; G01N2203/0001; G01N2203/0005; G01N2203/0014; G01N2203/0023; G01N2203/0058; G01N2203/0069; G01N2203/0073; G01N2203/02; G01N2203/022; G01N2203/0222; G01N2203/0236; G01N2203/024; G01N2203/0242; G01N2203/026; G01N2203/0262; G01N2203/0278; G01N2203/0282; G01N2203/04; G01N2203/0464; G01N2203/0476
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) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |