US3546453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray analyzing apparatus having a plurality of crystals mounted on a crystal changing carrier
Assignee: Associated Electrical Industries Ltd
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Filing: 1967-03-28
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Granted: 1970-12-08
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Expires: 1987-03-28
Abstract
No abstract record available.
Inventors
- 👤 George William Browning
- 👤 Lambert George Marien Al Groos
- 👤 Harold Proctor
- 👤 Ian Kay Openshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:04
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/20; G01N23/207; G01N23/2076
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) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |