US3225601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid sample containers for use in a spectrophotometer
Assignee: Pye Electronic Products Ltd
•
Filing: 1963-08-20
•
Granted: 1965-12-28
•
Expires: 1983-08-20
Abstract
No abstract record available.
Inventors
- 👤 Shrewsbury Derek David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:59
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/01; G01N21/03; G01N1/00; G01N1/02; G01N1/10; G01N1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A LIQUID SAMPLING MEANS FOR USE IN OPTICAL APPARATUS COMPRISING A SEALED CONTAINER FOR THE SAMPLE, OPPOSITE WALL AREAS OF SAID CONTAINER BEING TRANSPARENT TO LIGHT, A SAMPLING TUBE CONNECTED WITH A SUPPLY OF THE LIQUID AND EXTENDING TO A PREDETERMINED LEVEL IN THE CONTAINER, A SOURCE OF SUCTION, A FIRST SUCTION TUBE EXTENDING WITHIN SAID CONTAINER TO THE SAID LEVEL, A SECOND SUCTION TUBE EXTENDING WITHIN SAID CONTAINER TO NEAR THE BASE OF THE CONTAINER AND VALVE MEANS CONTROLLING THE ACCESS OF SUCTION FROM SAID SOURCE TO THE RESPECTIVE SUCTION TUBES, THE TUBES BEING LOCATED AT ONE SIDE ONLY OF THE CONTAINER LEAVING AN UNOBSTRUCTED PATH FOR THE PASSAGE OF AN OPTICAL RADIATION BEAM THROUGH THE SAMPLE AND THE TRANSPARENT AREAS OF THE CONTAINER.
Claim 2
Dependent Claim
125 words
A LIQUID SAMPLING MEANS FOR USE IN OPTICAL APPARATUS COMPRISING A SEALED CONTAINER FOR THE SAMPLE, OPPOSITE WALL AREAS OF SAID CONTAINER BEING TRANSPARENT TO LIGHT, A SAMPLING TUBE CONNECTED WITH A SUPPLY OF THE LIQUID AND EXTENDING TO A PREDETERMINED LEVEL IN THE CONTAINER, A SOURCE OF SUCTION, A FIRST SUCTION TUBE EXTENDING WITHIN SAID CONTAINER TO THE SAID LEVEL, A SECOND SUCTION TUBE EXTENDING WITHIN SAID CONTAINER TO NEAR THE BASE OF THE CONTAINER AND VALVE MEANS CONTROLLING THE ACCESS OF SUCTION FROM SAID SOURCE TO THE RESPECTIVE SUCTION TUBES, THE TUBES BEING LOCATED AT ONE SIDE ONLY OF THE CONTAINER LEAVING AN UNOBSTRUCTED PATH FOR THE PASSAGE OF AN OPTICAL RADIATION BEAM THROUGH THE SAMPLE AND THE TRANSPARENT AREAS OF THE CONTAINER.
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) | 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 |