US3610757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High pressure optical cell for raman spectrography
Assignee: High Pressure Diamond Optics Inc
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Filing: 1968-09-05
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Granted: 1971-10-05
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Expires: 1988-09-05
Abstract
Abstract A high pressure optical cell is combined with a laser beam spectrography and optical means for Raman spectrography at various angles through the specimen.
Inventors
- 👤 Alvin Van Valkenburg
- 👤 Ellis R Lippincott
- 👤 Charles E Weir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:23
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/01; G01N21/03; G01N21/0317; G01N21/62; G01N21/63; G01N21/65; G01N2021/651
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
18 words
The structure of claim 1 including a transparent gasket surrounding the sample of material between said pressure-applying means.
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) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |