US3218459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid sample holders for x-ray spectrometers under vacuum
Assignee: Compagnie Generale de Radiologie SA
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Filing: 1963-10-09
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Granted: 1965-11-16
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Expires: 1983-10-09
Abstract
No abstract record available.
Inventors
- 👤 Jean R Bens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:44
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/20; G01N23/20008; G01N23/20025; G01N23/22; G01N23/2204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A FLUID SAMPLE HOLDER FOR USE IN A SPECTROMETER COMPRISING: (A) A HOLLOW BODY HAVING MEANS THEREIN THAT PARTITION THE BODY INTO FIRST AND SECOND CHAMBERS WHICH CONNECT WITH EACH OTHER THROUGH AN OPENING IN THE PARTITION MEANS, (B) THE FIRST OF SAID CHAMBERS HAVING AN APERTURE AND A THIN RADIATION PERMEABLE WINDOW THAT IS SEALED OVER THE APERTURE TO CONTAIN A FIRST PORTION OF A FLUID SAMPLE IN THE BODY, (C) SAID WINDOW BEING SUBJECT TO DISTENSION WHEN THE SAMPLE HOLDER IS IN AN EVACUATED AMBIENT IN A SPECTROMETER, (D) THE SECOND OF SAID CHAMBERS DEFINING A VOLUME FOR A SECOND PORTION OF THE FLUID THAT IS JOINED WITH THE FIRST PORTION THROUGH THE OPENING WHICH IS BELOW THE SURFACES OF BOTH PORTIONS AND FOR THE CONFINEMENT OF GAS THAT MAY BE IN PRESSURE EXCHANGE CONTACT WITH THE SECOND PORTION OF THE FLUID, (E) WHEREBY ANY GAS THAT IS CONFINED MAY EXPAND TO COMPENSATE THE VOLUME AND PRESSURE CHANGE ON THE FLUID IN THE FIRST CHAMBER IF THE WINDOW DISTENDS.
Claim 2
Dependent Claim
171 words
A FLUID SAMPLE HOLDER FOR USE IN A SPECTROMETER COMPRISING: (A) A HOLLOW BODY HAVING MEANS THEREIN THAT PARTITION THE BODY INTO FIRST AND SECOND CHAMBERS WHICH CONNECT WITH EACH OTHER THROUGH AN OPENING IN THE PARTITION MEANS, (B) THE FIRST OF SAID CHAMBERS HAVING AN APERTURE AND A THIN RADIATION PERMEABLE WINDOW THAT IS SEALED OVER THE APERTURE TO CONTAIN A FIRST PORTION OF A FLUID SAMPLE IN THE BODY, (C) SAID WINDOW BEING SUBJECT TO DISTENSION WHEN THE SAMPLE HOLDER IS IN AN EVACUATED AMBIENT IN A SPECTROMETER, (D) THE SECOND OF SAID CHAMBERS DEFINING A VOLUME FOR A SECOND PORTION OF THE FLUID THAT IS JOINED WITH THE FIRST PORTION THROUGH THE OPENING WHICH IS BELOW THE SURFACES OF BOTH PORTIONS AND FOR THE CONFINEMENT OF GAS THAT MAY BE IN PRESSURE EXCHANGE CONTACT WITH THE SECOND PORTION OF THE FLUID, (E) WHEREBY ANY GAS THAT IS CONFINED MAY EXPAND TO COMPENSATE THE VOLUME AND PRESSURE CHANGE ON THE FLUID IN THE FIRST CHAMBER IF THE WINDOW DISTENDS.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |