US2798957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflection X-ray diffraction apparatus and method
Assignee: General Electric Co
•
Filing: 1953-09-08
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Granted: 1957-07-09
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Expires: 1973-09-08
Abstract
No abstract record available.
Inventors
- 👤 Abe N Holden
- 👤 Joseph E Burke
- 👤 Myron B Reynolds
- 👤 Joseph S Lukesh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:20
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/20; G01N23/207
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2490673A
Cited
US2602142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |