US3397312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated X-ray analyzing crystal wherein the respective laminations have different lattice spacings
Assignee: Hitachi Ltd
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Filing: 1965-08-16
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Granted: 1968-08-13
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Expires: 1985-08-16
Abstract
No abstract record available.
Inventors
- 👤 Okano Hiroshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:15
CPC Classifications
G; G21; G21K; G21K1/00; G21K1/06; G01; G01N; G01N23/00; G01N23/20; G01N23/207; G21K2201/00; G21K2201/06; G21K2201/062; G21K2201/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2835820A
Cited
US3163754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |