Patent US3527249A successfully refreshed from Google Patents.
US3527249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window assembly for use in a system for quantitative determination of vapor concentrations in a carrier gas
Assignee: European Atomic Energy Community Euratom
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Filing: 1966-12-09
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Granted: 1970-09-08
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Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Luc Verheyden
- 👤 Klaus Klein
- 👤 Carlo Cappelletti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:03
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/01; G01N21/03; G01N21/0303; G01M; G01M3/00; G01M3/02; G01M3/04; G01M3/20; G01M3/202; G02; G02B; G02B7/00; G02B7/02; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8359
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A SYSTEM FOR QUANTITATIVE DETERMINATION OF THE CONCENTRATION OF VAPOURS IN A CARRIER GAS, COMPRISING A QUARTZ WINDOW ASSEMBLY MOUNTED WITHIN A WINDOW HOLDER TUBE MADE OF AN FE-NI-CO ALLOY, SAID TUBE BEING SUSPENDED BY ONE END IN A STAINLESS STEEL MONITORING DUCT AND HAVING A WALL THICKNESS WHICH DIMINISHES TOWARDS ITS FREE OTHER END, AND INCLUDING CLAMPING MEANS WHICH ENGAGE THE DUCT AND THE SAID ONE END OF THE HOLDER TUBE IN THE AXIAL DIRECTION OF THE DUCT WALL, A QUARTZ WINDOW BEING SOLDERED TO THE FREE END OF THE HOLDER TUBE ALONG MATING ANNULAR SURACES SLOPING CONICALLY AT AN ANGLE OF BETWEEN 10* AND 20*.
Claim 2
Independent Claim
107 words
A SYSTEM FOR QUANTITATIVE DETERMINATION OF THE CONCENTRATION OF VAPOURS IN A CARRIER GAS, COMPRISING A QUARTZ WINDOW ASSEMBLY MOUNTED WITHIN A WINDOW HOLDER TUBE MADE OF AN FE-NI-CO ALLOY, SAID TUBE BEING SUSPENDED BY ONE END IN A STAINLESS STEEL MONITORING DUCT AND HAVING A WALL THICKNESS WHICH DIMINISHES TOWARDS ITS FREE OTHER END, AND INCLUDING CLAMPING MEANS WHICH ENGAGE THE DUCT AND THE SAID ONE END OF THE HOLDER TUBE IN THE AXIAL DIRECTION OF THE DUCT WALL, A QUARTZ WINDOW BEING SOLDERED TO THE FREE END OF THE HOLDER TUBE ALONG MATING ANNULAR SURACES SLOPING CONICALLY AT AN ANGLE OF BETWEEN 10* AND 20*.
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) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |