US3263554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cuvette with means for controlled volumetric displacement
Assignee: Beckman Coulter Inc
•
Filing: 1961-12-26
•
Granted: 1966-08-02
•
Expires: 1981-12-26
Abstract
No abstract record available.
Inventors
- 👤 Edward G Pickels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:43
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/01; G01N21/03; B; B01; B01L; B01L3/00; B01L3/02; B01L3/021; G01N35/00; G01N35/10; G01N2035/1027; G01N2035/1048; G01N2035/1062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A CUVETTE ASSEMBLY HAVING A TRANSPARENT HOLLOW FLUID EXTENDING CHAMBER AND FLUID CONDUCTING MEANS LEADING INTO SAID CHAMBER TO SUPPLY FLUID THERETO, THE COMBINATION OF A RESILIENT DEFORMABLE TUBE CLOSED AT ONE END AND COUPLED TO LEAD INTO SAID CHAMBER FROM THE OTHER, MANUALLY OPERABLE SLIDABLE PLUNGER MEANS DISPOSED TO SELECTIVELY COMPRESS SAID TUBE AND REDUCE THE INTERIOR VOLUMNE THEREOF IN PROGRESSIVELY INCREASING DISCRETE DEGREES, SAID PLUNGER MEANS INCLUDING A PLURALITY OF PISTONS OF THE SAME DIAMETER BUT LIMITED TO MOVE THROUGH DIFFERENT LINEAR DISPLACEMENTS, THEREBY EACH DEFORMING SAID TUBE TO A DIFFERENT RELATED DEGREE.
Claim 2
Dependent Claim
96 words
IN A CUVETTE ASSEMBLY HAVING A TRANSPARENT HOLLOW FLUID EXTENDING CHAMBER AND FLUID CONDUCTING MEANS LEADING INTO SAID CHAMBER TO SUPPLY FLUID THERETO, THE COMBINATION OF A RESILIENT DEFORMABLE TUBE CLOSED AT ONE END AND COUPLED TO LEAD INTO SAID CHAMBER FROM THE OTHER, MANUALLY OPERABLE SLIDABLE PLUNGER MEANS DISPOSED TO SELECTIVELY COMPRESS SAID TUBE AND REDUCE THE INTERIOR VOLUMNE THEREOF IN PROGRESSIVELY INCREASING DISCRETE DEGREES, SAID PLUNGER MEANS INCLUDING A PLURALITY OF PISTONS OF THE SAME DIAMETER BUT LIMITED TO MOVE THROUGH DIFFERENT LINEAR DISPLACEMENTS, THEREBY EACH DEFORMING SAID TUBE TO A DIFFERENT RELATED DEGREE.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |