US3141336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipette
Assignee: Beckman Coulter Inc
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Filing: 1961-03-08
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Granted: 1964-07-21
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Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 William M Oates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:54
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A PIPETTE COMPRISING A MOUNTING MEMBER FORMED TO INCLUDE A CAPILLARY PASSAGE AND A RELATIVELY ENLARGED HOLLOW PORTION, THE INTERIOR OF SAID CAPILLARY PASSAGE GRADUALLY DIVERGING FROM ONE END INTO SAID ENLARGED HOLLOW PORTION TO PROVIDE A GRADUAL INTERIOR TRANSITION THEREBETWEEN, THE EXTERIOR OF SAID MOUNTING MEMBER BEING FORMED WITH A RELATIVELY LONG CONICALLY TAPERED END REGION BOUNDED BY AN ANNULAR GROOVE, SAID ANNULAR GROOVE BEING ADAPTED TO LOCK INTO AN OPENING IN A RESILIENT WALL OF A DISPENSING BOTTLE TO SUPPORT THE END REGION CANTILEVERED INTO THE INTERIOR OF SAID DISPENSING BOTTLE, SAID PIPETTE FURTHER COMPRISING A BODY MEMBER FORMED TO INCLUDE A CAPILLARY PASSAGE AND A RELATIVELY ENLARGED HOLLOW PORTION, THE INTERIOR OF SAID BODY MEMBER GRADUALLY DIVERGING FROM THE INNER END OF THE LAST SAID CAPILLARY PASSAGE INTO THE LAST SAID ENLARGED PORTION TO PROVIDE A GRADUAL INTERIOR REGION OF ENLARGEMENT THEREBETWEEN, SAID BODY MEMBER BEING CONNECTED TO SAID MOUNTING MEMBER WITH THE INTERIOR SURFACES OF BOTH SAID ENLARGED PORTIONS DIMENSIONED AND ALIGNED TO PROVIDE A SMOOTH JUNCTURE THEREBETWEEN.
Claim 2
Dependent Claim
172 words
A PIPETTE COMPRISING A MOUNTING MEMBER FORMED TO INCLUDE A CAPILLARY PASSAGE AND A RELATIVELY ENLARGED HOLLOW PORTION, THE INTERIOR OF SAID CAPILLARY PASSAGE GRADUALLY DIVERGING FROM ONE END INTO SAID ENLARGED HOLLOW PORTION TO PROVIDE A GRADUAL INTERIOR TRANSITION THEREBETWEEN, THE EXTERIOR OF SAID MOUNTING MEMBER BEING FORMED WITH A RELATIVELY LONG CONICALLY TAPERED END REGION BOUNDED BY AN ANNULAR GROOVE, SAID ANNULAR GROOVE BEING ADAPTED TO LOCK INTO AN OPENING IN A RESILIENT WALL OF A DISPENSING BOTTLE TO SUPPORT THE END REGION CANTILEVERED INTO THE INTERIOR OF SAID DISPENSING BOTTLE, SAID PIPETTE FURTHER COMPRISING A BODY MEMBER FORMED TO INCLUDE A CAPILLARY PASSAGE AND A RELATIVELY ENLARGED HOLLOW PORTION, THE INTERIOR OF SAID BODY MEMBER GRADUALLY DIVERGING FROM THE INNER END OF THE LAST SAID CAPILLARY PASSAGE INTO THE LAST SAID ENLARGED PORTION TO PROVIDE A GRADUAL INTERIOR REGION OF ENLARGEMENT THEREBETWEEN, SAID BODY MEMBER BEING CONNECTED TO SAID MOUNTING MEMBER WITH THE INTERIOR SURFACES OF BOTH SAID ENLARGED PORTIONS DIMENSIONED AND ALIGNED TO PROVIDE A SMOOTH JUNCTURE THEREBETWEEN.
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |