US3725010A
Expired / Lapsed
US
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Apparatus for automatically performing chemical processes
Assignee: Beckman Coulter Inc
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Filing: 1971-08-23
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Granted: 1973-04-03
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Expires: 1991-08-23
Abstract
Abstract AN AUTOMATIC PROTEIN-PEPTIDE SEQUENATOR FOR DETERMINING THE AMINO ACID SEQUENCE IN PROTEINS AND/OR PEPTIDES CONTAINING N NUMBER OF AMINO ACID UNITS INCLUDING: AN EASILY ACCESSIBLE REACTION CELL DISPOSED WITHIN A REACTION CHAMBER HAVING A MINIMUM VOLUME AND ROTATIONALLY DRIVEN BY A VARIABLE OR MULTIPLE SPEED MOTOR THROUGH A MAGNETIC COUPLING DRIVE UNIT, AIR-CIRCULATING HEATING MEANS, A CONSTANT PRESSURE AND UNIFORM DELIVERY SYSTEM INCLUDING VACUUM AND SOLENOID ACTUATED VALVE ASSEMBLIES, A REGULATED INERT GAS SUPPLY SYSTEM, AN EVACUATED FRACTION COLLECTOR, AND A PROGRAMMING CONTROL UNIT WHICH MAY BE AUTOMATICALLY OR MANUALLY MANIPULATED.
Inventors
- 👤 H Penhasi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:14
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/18; B01J19/1887; B01J19/0046; B01J2219/00; B01J2219/00274; B01J2219/00277; B01J2219/00279; B01J2219/00281; B01J2219/00283; B01J2219/00351; B01J2219/00389; B01J2219/00414; B01J2219/00416; B01J2219/00479; B01J2219/00488; B01J2219/0049; B01J2219/00583; B01J2219/0059; B01J2219/00718; B01J2219/0072; B01J2219/00725; C; C40; C40B; C40B40/00; C40B40/04; C40B40/10; C40B60/00; C40B60/14
Claims Analysis
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References Cited (Backward Citations)
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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) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |