US3834876A
Expired / Lapsed
US
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Device for use with a liquid transfer appliance in chemical analysis
Assignee: Labor Muszeripari Muvek
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Filing: 1973-10-11
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Granted: 1974-09-10
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Expires: 1993-10-11
Abstract
Abstract A DEVICE FOR FACILITATING THE TITRATION OF LIQUIDS WITH THE AID OF CAPILLARY CAGE-TYPE LIQUID TRANSFER APPLIANCES, COMPRISES A BASE PLATE WITH THREE UNEQUALLY SPACED UPSTANDING FLANGES. THE MIDDLE FLANGE HAS BORES FOR THE CAPILLARY CAGE STEMS. THE FLANGE NEARER THE MIDDLE FLANGE IS AN ABUTMENT FOR THE STEM ENDS. THE THIRD FLANGE HAS SLOTS DIVERGING FROM THE BASE PLATE. THUS THE MIDDLE FLANGE SERVES AS A PIVOT FOR THE STEMS, AND THE SLOTS GUIDE THE PIVOTING OF THE STEMS SO THAT THE TRANSVERSE STEM SPACING MAY BE INCREASED FOR CHARGING THE CAGES WITH LIQUID AND DECREASED WHEN THE CAGES ARE ROTATED FOR MIXING.
Inventors
- 👤 F Koermendy
- 👤 F Nemeth
- 👤 I Muranyi
- 👤 G Balas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:48
CPC Classifications
B; B01; B01L; B01L9/00; B01L9/06; B01L3/00; B01L3/02; B01L3/0203; G; G01; G01N; G01N1/00; G01N1/28; G01N1/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-09 | 1978-03-11 | 1978-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-09 | 1982-03-11 | 1982-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-09 | 1986-03-11 | 1986-09-10 | $7700.00 | Window Closed / Lapsed |