US3333107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical analyzing apparatus having rectilinear light source and flattened-ellipse shaped fluid cell
Assignee: Beckman Coulter Inc
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Filing: 1964-04-09
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Granted: 1967-07-25
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Expires: 1984-04-09
Abstract
No abstract record available.
Inventors
- 👤 Richard W Hubbard
- 👤 Kremen Dorothy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:09
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/255; G01N21/01; G01N21/03; G01N21/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN OPTICAL ANALYZING APPARATUS HAVING MEANS FORMING A LIGHT BEAM, PHOTORESPONSIVE MEANS FOR RECEIVING LIGHT AND PROVIDING AN ELECTRICAL SIGNAL REPRESENTATIVE OF THE RECEIVED LIGHT, AND A FLUID RECEIVING CELL HAVING AN ELONGATED CHANNEL ARRANGED WITH ITS LONGITUDINAL AXIS PARALLEL TO THE LIGHT BEAM WHEREIN THE LIGHT BEAM TRAVELS ALONG THE AXIS OF THE CHANNEL AND FLUID THEREIN, THE COMBINATION WHEREIN SAID CHANNEL HAS A UNIFORM CROSS-SECTION THROUGHOUT THE LENGTH THEREOF AND IS FORMED WITH CLOSELY SPACED, SUBSTANTIALLY PARALLEL SIDEWALLS, AND SAID
Claim 2
Dependent Claim
82 words
IN OPTICAL ANALYZING APPARATUS HAVING MEANS FORMING A LIGHT BEAM, PHOTORESPONSIVE MEANS FOR RECEIVING LIGHT AND PROVIDING AN ELECTRICAL SIGNAL REPRESENTATIVE OF THE RECEIVED LIGHT, AND A FLUID RECEIVING CELL HAVING AN ELONGATED CHANNEL ARRANGED WITH ITS LONGITUDINAL AXIS PARALLEL TO THE LIGHT BEAM WHEREIN THE LIGHT BEAM TRAVELS ALONG THE AXIS OF THE CHANNEL AND FLUID THEREIN, THE COMBINATION WHEREIN SAID CHANNEL HAS A UNIFORM CROSS-SECTION THROUGHOUT THE LENGTH THEREOF AND IS FORMED WITH CLOSELY SPACED, SUBSTANTIALLY PARALLEL SIDEWALLS, AND SAID
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |