Patent US3334537A successfully refreshed from Google Patents.
US3334537A
Expired / Lapsed
US
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Light scattering attachment
Assignee: Beckman Coulter Inc
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Filing: 1963-04-29
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Granted: 1967-08-08
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Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Willard H Beattie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:09
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/47; G01N21/49; G01N21/51
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
A SCATTERED LIGHT MEASURING ATTACHMENT FOR USE WITH A DOUBLE BEAM SPECTROPHOTOMETER HAVING A CELL COMPARTMENT AND FIRST AND SECOND BEAMS ALTERNATELY PASSING THROUGH SAID CELL COMPARTMENT, SAID SECOND BEAM BEING ATTENUATED WITH RESPECT TO SAID FIRST BEAM, SAID ATTACHMENT COMPRISING: AN ENCLOSURE HAVING A PROJECTING PORTION FOR INSERTION INTO SAID CELL COMPARTMENT; A RADIATION DETECTOR AND A SAMPLE CELL MOUNTING MEANS MONUTED IN SAID ENCLOSURE; MEANS INCLUDING REFLECTING MEANS MOUNTED IN SAID ENCLOSURE FOR DIRECTING SAID FIRST BEAM ALONG A FIRST RADIATION PATH TO A SAMPLE CELL MOUNTED IN SAID SAMPLE CELL MOUNTING MEANS; DETECTOR MOUNTING MEANS MOUNTING SAID DETECTOR ADJACENT SAID SAMPLE CELL MOUNTED IN SAID SAMPLE CELL MOUNTING MEANS AND INCLUDING REFLECTIVE MEANS DE-
References Cited (Backward Citations)
US3242796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |