US3106845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dilution pipette
Assignee: University of California Berkeley
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Filing: 1961-06-26
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Granted: 1963-10-15
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Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Robert L Dimmick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:28
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/38; B; B01; B01L; B01L3/00; B01L3/02; B01L3/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A SYSTEM FOR RAPIDLY DILUTING SOLUTIONS INCLUDING A PLURALITY OF MEANS FOR HOLDING A PLURALITY OF PREDETERMINED QUANTITIES OF LIQUID, MEANS FOR ESTABLISHING SERIAL FLUID COMMUNICATION BETWEEN THE LIQUID HOLDING MEANS, THE ADJACENT LIQUID HOLDING MEANS IN THE COMMUNICATION SERIES HAVING A COMMON WALL THROUGH WHICH SERIAL COMMUNICATION IS ESTABLISHED, DISCHARGE MEANS COOPERATING WITH THE TERMINAL LIQUID HOLDING MEANS PERMITTING EXTERNAL DISCHARGE THEREFROM, FLUID MOVING MEANS COOPERATING WITH ALL OF SAID LIQUID HOLDING MEANS AND SAID FLUID COMMUNICATION ESTABLISIHING MEANS TO SELF-METERABLY FILL SELECTED ONES OF SAID LIQUID HOLDING MEANS WITH PREDETERMINED QUANTITIES OF LIQUID FROM AN EXTERNAL SOURCE, MEANS FOR INTRODUCING A SAMPLE LIQUID TO BE DILUTED INTO AT LEAST ONE OF SAID LIQUID HOLDING MEANS, SAID FLUID MOVING MEANS BEING ALTERNATIVELY OPERABLE FOR CONTROLLABLY MOVING A PRESELECTED PORTION OF LIQUID IN EACH HOLDING MEANS SERIALLY THROUGH MEANS TO THE SERIALLY ADJACENT MEANS FROM EACH HOLDING MEANS TO THE SERIALLY ADJACENT HOLDING MEANS AND EXTERIORLY FROM SAID TERMINAL HOLDING MEANS, WHEREBY THE CONCENTRATION OF SAMPLE LIQUID IN EACH LIQUID HOLDING MEANS MAY BE MATHEMATICALLY CALCULATED.
Claim 2
Independent Claim
176 words
A SYSTEM FOR RAPIDLY DILUTING SOLUTIONS INCLUDING A PLURALITY OF MEANS FOR HOLDING A PLURALITY OF PREDETERMINED QUANTITIES OF LIQUID, MEANS FOR ESTABLISHING SERIAL FLUID COMMUNICATION BETWEEN THE LIQUID HOLDING MEANS, THE ADJACENT LIQUID HOLDING MEANS IN THE COMMUNICATION SERIES HAVING A COMMON WALL THROUGH WHICH SERIAL COMMUNICATION IS ESTABLISHED, DISCHARGE MEANS COOPERATING WITH THE TERMINAL LIQUID HOLDING MEANS PERMITTING EXTERNAL DISCHARGE THEREFROM, FLUID MOVING MEANS COOPERATING WITH ALL OF SAID LIQUID HOLDING MEANS AND SAID FLUID COMMUNICATION ESTABLISIHING MEANS TO SELF-METERABLY FILL SELECTED ONES OF SAID LIQUID HOLDING MEANS WITH PREDETERMINED QUANTITIES OF LIQUID FROM AN EXTERNAL SOURCE, MEANS FOR INTRODUCING A SAMPLE LIQUID TO BE DILUTED INTO AT LEAST ONE OF SAID LIQUID HOLDING MEANS, SAID FLUID MOVING MEANS BEING ALTERNATIVELY OPERABLE FOR CONTROLLABLY MOVING A PRESELECTED PORTION OF LIQUID IN EACH HOLDING MEANS SERIALLY THROUGH MEANS TO THE SERIALLY ADJACENT MEANS FROM EACH HOLDING MEANS TO THE SERIALLY ADJACENT HOLDING MEANS AND EXTERIORLY FROM SAID TERMINAL HOLDING MEANS, WHEREBY THE CONCENTRATION OF SAMPLE LIQUID IN EACH LIQUID HOLDING MEANS MAY BE MATHEMATICALLY CALCULATED.
References Cited (Backward Citations)
US2223785A
Cited
US2764017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |