US3158019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromatographic analyzer
Assignee: Beckman Coulter Inc
•
Filing: 1962-07-16
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Granted: 1964-11-24
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Expires: 1982-07-16
Abstract
No abstract record available.
Inventors
- 👤 Ralph A Dora
- 👤 Donald D Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:59
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/86; G01N30/8651; G01N30/88; G01N2030/8804; G01N2030/8886; G01N30/8658; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN A CHROMATOGRAPH ANALYZER CAPABLE OF PERFORMING MULTIPLE OPERATIONS AND HAVING A PLURALITY OF MEANS ENERGIZABLE TO INITIATE THE PERFORMANCE OF SAID OPERATIONS, THE COMBINATION COMPRISING: A CONTROLLER, SAID CONTROLLER INCLUDING A MAGNETIC RECORDING MEDIA, A READ-WRITE TRANSDUCER, DRIVE MEANS FOR DRIVING SAID MEDIA PAST SAID TRANSDUCER, MEANS FOR SELECTIVELY ESTABLISHING SAID TRANSDUCER IN A WRITE OR READ STATE, SAID TRANSDUCER BEING OPERABLE IN ITS WRITE STATE TO RECORD INFORMATION ON SAID MEDIA AND OPERABLE IN ITS READ STATE TO PRODUCE OUTPUT SIGNALS IN RESPONSE TO INFORMATION STORED ON SAID MEDIA; MEANS FOR ESTABLISHING A SELECT SEQUENCE IN WHICH SAID ENERGIZABLE MEANS ARE ENERGIZABLE; AND MEANS COUPLED TO SAID TRANSDUCER RESPONSIVE TO SAID OUTPUT SIGNALS AND RESPONSIVE TO THE INFORMATION BEING RECORDED ON SAID MEDIA WHEN SAID TRANSDUCER IS BEING OPERATED IN ITS WRITE STATE FOR ENERGIZING SAID ENERGIZABLE MEANS IN THE SEQUENCE SELECTED.
Claim 2
Dependent Claim
144 words
IN A CHROMATOGRAPH ANALYZER CAPABLE OF PERFORMING MULTIPLE OPERATIONS AND HAVING A PLURALITY OF MEANS ENERGIZABLE TO INITIATE THE PERFORMANCE OF SAID OPERATIONS, THE COMBINATION COMPRISING: A CONTROLLER, SAID CONTROLLER INCLUDING A MAGNETIC RECORDING MEDIA, A READ-WRITE TRANSDUCER, DRIVE MEANS FOR DRIVING SAID MEDIA PAST SAID TRANSDUCER, MEANS FOR SELECTIVELY ESTABLISHING SAID TRANSDUCER IN A WRITE OR READ STATE, SAID TRANSDUCER BEING OPERABLE IN ITS WRITE STATE TO RECORD INFORMATION ON SAID MEDIA AND OPERABLE IN ITS READ STATE TO PRODUCE OUTPUT SIGNALS IN RESPONSE TO INFORMATION STORED ON SAID MEDIA; MEANS FOR ESTABLISHING A SELECT SEQUENCE IN WHICH SAID ENERGIZABLE MEANS ARE ENERGIZABLE; AND MEANS COUPLED TO SAID TRANSDUCER RESPONSIVE TO SAID OUTPUT SIGNALS AND RESPONSIVE TO THE INFORMATION BEING RECORDED ON SAID MEDIA WHEN SAID TRANSDUCER IS BEING OPERATED IN ITS WRITE STATE FOR ENERGIZING SAID ENERGIZABLE MEANS IN THE SEQUENCE SELECTED.
References Cited (Backward Citations)
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US2987711A
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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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |