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US3224434A Expired / Lapsed US ⏱️ 0.0 years remaining

Cell collector

Assignee: WALDEMAR MEDICAL RES FOUNDATIO
•
Filing: 1962-11-06
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Granted: 1965-12-21
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Expires: 1982-11-06
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Abstract

No abstract record available.

Inventors

  • 👤 Molomut Norman
  • 👤 Scheman Paul

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:19
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 142 words
A CLINICAL CELL COLLECTOR, COMPRISING A NOZZLE HAVING A NOSE PORTION AND A REAR PORTION, SAID NOSE PORTION AND SAID REAR PORTION BEING DETACHABLY CONNECTIBLE TO EACH OTHER, A LONGITUDINAL PASSAGEWAY IN SAID NOSE PORTION AND A LONGITUDINAL PASSAGEWAY IN SAID REAR PORTION, SAID PASSAGEWAYS PROVIDING A THROUGH PASSAGEWAY WHEN THE TWO PORTIONS ARE CONNECTED, THE PASSAGEWAY AT THE END OF THE NOSE PORTION ADJACENT THE REAR PORTION BEING ENLARGED TO FORM AN ANNULAR CHAMBER, AND A CELL-COLLECTING FILTER SEATED IN SAID CHAMBER SO AS TO BE ATHWART THE LONGITUDINAL PASSAGEWAY, WHEREBY WHEN SUCTION IS APPLIED TO THE FAR END OF THE REAR PORTION THE FILTER WILL BE IN THE PATH OF CELLS THAT ARE ASPIRATED BY THE NOSE PORTION, THE END OF THE NOSE PORTION REMOTE FROM THE REAR PORTION BEING ROUGHENED SO AS TO SERVE AS A SCRAPER OF CELLS.
Claim 2
Dependent Claim 142 words
A CLINICAL CELL COLLECTOR, COMPRISING A NOZZLE HAVING A NOSE PORTION AND A REAR PORTION, SAID NOSE PORTION AND SAID REAR PORTION BEING DETACHABLY CONNECTIBLE TO EACH OTHER, A LONGITUDINAL PASSAGEWAY IN SAID NOSE PORTION AND A LONGITUDINAL PASSAGEWAY IN SAID REAR PORTION, SAID PASSAGEWAYS PROVIDING A THROUGH PASSAGEWAY WHEN THE TWO PORTIONS ARE CONNECTED, THE PASSAGEWAY AT THE END OF THE NOSE PORTION ADJACENT THE REAR PORTION BEING ENLARGED TO FORM AN ANNULAR CHAMBER, AND A CELL-COLLECTING FILTER SEATED IN SAID CHAMBER SO AS TO BE ATHWART THE LONGITUDINAL PASSAGEWAY, WHEREBY WHEN SUCTION IS APPLIED TO THE FAR END OF THE REAR PORTION THE FILTER WILL BE IN THE PATH OF CELLS THAT ARE ASPIRATED BY THE NOSE PORTION, THE END OF THE NOSE PORTION REMOTE FROM THE REAR PORTION BEING ROUGHENED SO AS TO SERVE AS A SCRAPER OF CELLS.

References Cited (Backward Citations)

US1583023A Cited
US2276841A Cited
US2701559A Cited
US2905169A Cited
FR1165406A Cited
US2857913A Cited
US3003496A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-20 1969-06-21 1969-12-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-20 1973-06-21 1973-12-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-20 1977-06-21 1977-12-21 $7700.00 Window Closed / Lapsed

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