US3469098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray analyzing element
Assignee: Hitachi Ltd
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Filing: 1967-07-26
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Granted: 1969-09-23
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Expires: 1987-07-26
Abstract
No abstract record available.
Inventors
- 👤 Hiroshi Okano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:27
CPC Classifications
G; G21; G21K; G21K1/00; G21K1/06; G21K2201/00; G21K2201/06; G21K2201/064; G21K2201/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |