Patent US3177723A successfully refreshed from Google Patents.
US3177723A
Expired / Lapsed
US
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Pipette and method
Assignee: Beckman Coulter Inc
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Filing: 1961-05-01
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Granted: 1965-04-13
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Edvard M Pedersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:22
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A PIPETTE ADAPTED TO COOPERATE WITH A SUPPORTING MEANS HAVING AN OPENING TO RECEIVE THE SAME COMPRISING A BODY PORTION OF TUBULAR MATERIAL, THE ENDS OF SAID BODY PORTION TERMINATING IN ELONGATE DRAWN END PORTIONS EACH GRADUALLY CONVERGING TO CAPILLARY DIMENSION TO DEFINE BETWEEN SAID DRAWN END PORTIONS A MEASURED VOLUME, THE INTERIOR SURFACE OF SAID BODY PORTION AND SAID END PORTIONS FORMING A CONTINUOUS SURFACE BETWEEN SAID DRAWN END PORTIONS, AND A FERRULE CARRIED BY SAID BODY PORTION ADJACENT ONE OF SAID DRAWN END PORTIONS AND DISPOSED TO SUPPORT THE LAST NAMED END PORTION IN CANTILEVER STYLE PORJECTING THROUGH SAID OPENING SO THAT THE DRAWN END PORTIONS ARE FREE OF THE SUPPORT, SAID FERRULE INCLUDING A COL,LAR PORTION AND A RAISED PORTION ADJACENT SAID COLLAR PORTION BUT SPACED THEREFROM TO FORM IN COMBINATION WITH SAID COLLAR PORTION AN ANNULAR GROOVE ADAPTED TO ACCOMMODATE THE MATERIAL DEFINING THE OPENING TO SUPPORT THE PIPETTE FROM THE SUPPORT.
Claim 2
Dependent Claim
156 words
A PIPETTE ADAPTED TO COOPERATE WITH A SUPPORTING MEANS HAVING AN OPENING TO RECEIVE THE SAME COMPRISING A BODY PORTION OF TUBULAR MATERIAL, THE ENDS OF SAID BODY PORTION TERMINATING IN ELONGATE DRAWN END PORTIONS EACH GRADUALLY CONVERGING TO CAPILLARY DIMENSION TO DEFINE BETWEEN SAID DRAWN END PORTIONS A MEASURED VOLUME, THE INTERIOR SURFACE OF SAID BODY PORTION AND SAID END PORTIONS FORMING A CONTINUOUS SURFACE BETWEEN SAID DRAWN END PORTIONS, AND A FERRULE CARRIED BY SAID BODY PORTION ADJACENT ONE OF SAID DRAWN END PORTIONS AND DISPOSED TO SUPPORT THE LAST NAMED END PORTION IN CANTILEVER STYLE PORJECTING THROUGH SAID OPENING SO THAT THE DRAWN END PORTIONS ARE FREE OF THE SUPPORT, SAID FERRULE INCLUDING A COL,LAR PORTION AND A RAISED PORTION ADJACENT SAID COLLAR PORTION BUT SPACED THEREFROM TO FORM IN COMBINATION WITH SAID COLLAR PORTION AN ANNULAR GROOVE ADAPTED TO ACCOMMODATE THE MATERIAL DEFINING THE OPENING TO SUPPORT THE PIPETTE FROM THE SUPPORT.
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |