US3238115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiautomatic programmed apparatus
Assignee: Beckman Coulter Inc
•
Filing: 1965-02-15
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Granted: 1966-03-01
•
Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 Edvard M Pedersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:09
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44756; G01N27/44782
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
APPARATUS FOR ANALYZING CHEMICAL COMPOSITION COMPRISING: A HEAD ASSEMBLY HAVING A PLURALITY OF SAMPLE HOLDING MEANS DISPOSED RADIALLY ABOUT AN AXIS OF ROTATION; MEANS FOR ROTATING SAID HEAD ASSEMBLY ABOUT SAID AXIS; MEANS FOR TILTING THE AXIS OF ROTATION BETWEEN SUBSTANTIALLY HORIZONTAL AND VERTICAL POSITIONS; MEANS FOR IMMERSING SAID SAMPLE HOLDING MEANS IN AN ELECTROPHORETIC TREATING TANK IN THE VERTICAL POSITION; MEANS FOR IMPOSING A DIRECT ELECTROPHORESIS CURRENT BETWEEN THE SAMPLE HOLDING
Claim 2
Dependent Claim
72 words
APPARATUS FOR ANALYZING CHEMICAL COMPOSITION COMPRISING: A HEAD ASSEMBLY HAVING A PLURALITY OF SAMPLE HOLDING MEANS DISPOSED RADIALLY ABOUT AN AXIS OF ROTATION; MEANS FOR ROTATING SAID HEAD ASSEMBLY ABOUT SAID AXIS; MEANS FOR TILTING THE AXIS OF ROTATION BETWEEN SUBSTANTIALLY HORIZONTAL AND VERTICAL POSITIONS; MEANS FOR IMMERSING SAID SAMPLE HOLDING MEANS IN AN ELECTROPHORETIC TREATING TANK IN THE VERTICAL POSITION; MEANS FOR IMPOSING A DIRECT ELECTROPHORESIS CURRENT BETWEEN THE SAMPLE HOLDING
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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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |