Patent US3225645A successfully refreshed from Google Patents.
US3225645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cuvette and supply system therefor
Assignee: Warner Lambert Co LLC
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Filing: 1962-10-04
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Granted: 1965-12-28
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Expires: 1982-10-04
Abstract
No abstract record available.
Inventors
- 👤 Baruch Hans
- 👤 Erik W Anthon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:37
CPC Classifications
G; G01; G01N; G01N35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
AN APPARATUS FOR TRANSFERRING A SAMPLE TO A SENSING DEVICE, COMPRISING A SAMPLE SITE WHERE SAMPLE IS PROVIDED, A CUVETTE IN THE SENSING DEVICE FOR RECEIVING SAMPLE, A FIRST DUCT IN COMMUNICATION WITH SAID CUVETTE POSITIONABLE TO RECEIVE SAMPLE FROM THE SAMPLE SITE, A PISTON CARRIED IN THE CUVETTE FOR MOVING LIQUIDS INTO AND OUT OF THE CUVETTE, A SCAVENGING CYLINDER HAVING A PISTON THEREIN FOR COLLECTING LIQUIDS REMOVED FROM THE CUVETTE, A SECOND DUCT IN COMMUNICATION WITH BOTH THE CUVETTE AND THE FIRST DUCT AND ADAPTED TO COMMUNICATE WITH THE SCAVENGING CYLINDER, A SCAVENGING CYLINDER DUCT ADAPTED FOR COMMUNICATION WITH THE SECOND DUCT AND TO DRAIN THE SCAVENGING CYLINDER, VALVE MEANS FOR CONNECTING THE SECOND DUCT TO THE SCAVENGING CYLINDER DUCT FOR REMOVING LIQUID FROM THE CUVETTE AND FOR DISCONNECTING SAID DUCTS TO DRAIN THE SCAVENGING CYLINDER, AND MEANS FOR OPERATING THE PISTONS OPPOSITELY.
Claim 2
Independent Claim
145 words
AN APPARATUS FOR TRANSFERRING A SAMPLE TO A SENSING DEVICE, COMPRISING A SAMPLE SITE WHERE SAMPLE IS PROVIDED, A CUVETTE IN THE SENSING DEVICE FOR RECEIVING SAMPLE, A FIRST DUCT IN COMMUNICATION WITH SAID CUVETTE POSITIONABLE TO RECEIVE SAMPLE FROM THE SAMPLE SITE, A PISTON CARRIED IN THE CUVETTE FOR MOVING LIQUIDS INTO AND OUT OF THE CUVETTE, A SCAVENGING CYLINDER HAVING A PISTON THEREIN FOR COLLECTING LIQUIDS REMOVED FROM THE CUVETTE, A SECOND DUCT IN COMMUNICATION WITH BOTH THE CUVETTE AND THE FIRST DUCT AND ADAPTED TO COMMUNICATE WITH THE SCAVENGING CYLINDER, A SCAVENGING CYLINDER DUCT ADAPTED FOR COMMUNICATION WITH THE SECOND DUCT AND TO DRAIN THE SCAVENGING CYLINDER, VALVE MEANS FOR CONNECTING THE SECOND DUCT TO THE SCAVENGING CYLINDER DUCT FOR REMOVING LIQUID FROM THE CUVETTE AND FOR DISCONNECTING SAID DUCTS TO DRAIN THE SCAVENGING CYLINDER, AND MEANS FOR OPERATING THE PISTONS OPPOSITELY.
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |