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US3134725A Expired / Lapsed US ⏱️ 0.0 years remaining

Culture tube

Assignee: Olin Corp
•
Filing: 1961-10-24
•
Granted: 1964-05-26
•
Expires: 1981-10-24
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Abstract

No abstract record available.

Inventors

  • 👤 Brook Abraham Jacob
  • 👤 Wodarski Edmund Francis
  • 👤 Holdowsky Simon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:38
CPC Classifications
C; C12; C12M; C12M23/00; C12M23/02; C12M23/08; C12M23/38

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 150 words
A REUSEABLE, OPEN-MOUTHED, ELONGATED CYLINDRICAL CULTURE TUBE, CLOSED AT ONE END, A CYLINDRICAL CONCENTRIC TUBULAR INSERT SMALLER IN DIAMETER AND LENGTH THAN THE TUBE DISPOSED WITHIN THE OPEN END OF SAID TUBE EXTERIORLY EXTENDING BEYOND THE TUBE LIP AND PROVIDING DIRECT, WIDEMOUTH ACCESS THROUGH ITS INTERIOR TO THE INTERIOR OF THE TUBE, SAID INSERT HAVING AN ENLARGED INTERIOR END SEALED TO THE INTERIOR SIDE WALL OF THE TUBE AND DEFININE AN ANNULAR SPACE BETWEEN INSERT AND NECK OF THE TUBE CLOSED FROM COMMUNICATION WITH THE INTERIOR OF THE TUBE, AND A LOOSE FITTING, SLIDABLY REMOVABLE CAP FOR SAID INSERT EXTENDING INTO SAID ANNULAR SPACE WHICH CLOSES DIRECT ENTRY INTO THE INTERIOR OF THE TUBE AND, IN COOPERATION WITH THE INSERT AND COEXTENSIVE PORTION OF THE TUBE WALL, PROVIDES A TORTUOUS PATH FOR ENTRY TO THE INTERIOR OF THE TUBE THROUGH SAID ANNULAR SPACE AND AROUND THE INTERIOR OF SAID CAP.
Claim 2
Dependent Claim 150 words
A REUSEABLE, OPEN-MOUTHED, ELONGATED CYLINDRICAL CULTURE TUBE, CLOSED AT ONE END, A CYLINDRICAL CONCENTRIC TUBULAR INSERT SMALLER IN DIAMETER AND LENGTH THAN THE TUBE DISPOSED WITHIN THE OPEN END OF SAID TUBE EXTERIORLY EXTENDING BEYOND THE TUBE LIP AND PROVIDING DIRECT, WIDEMOUTH ACCESS THROUGH ITS INTERIOR TO THE INTERIOR OF THE TUBE, SAID INSERT HAVING AN ENLARGED INTERIOR END SEALED TO THE INTERIOR SIDE WALL OF THE TUBE AND DEFININE AN ANNULAR SPACE BETWEEN INSERT AND NECK OF THE TUBE CLOSED FROM COMMUNICATION WITH THE INTERIOR OF THE TUBE, AND A LOOSE FITTING, SLIDABLY REMOVABLE CAP FOR SAID INSERT EXTENDING INTO SAID ANNULAR SPACE WHICH CLOSES DIRECT ENTRY INTO THE INTERIOR OF THE TUBE AND, IN COOPERATION WITH THE INSERT AND COEXTENSIVE PORTION OF THE TUBE WALL, PROVIDES A TORTUOUS PATH FOR ENTRY TO THE INTERIOR OF THE TUBE THROUGH SAID ANNULAR SPACE AND AROUND THE INTERIOR OF SAID CAP.

References Cited (Backward Citations)

US752335A Cited
US826261A Cited
US1513360A Cited
US1616274A Cited
US1861121A Cited
US2098918A Cited
US2971892A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-05-26 1967-11-25 1968-05-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-05-26 1971-11-25 1972-05-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-05-26 1975-11-25 1976-05-26 $7700.00 Window Closed / Lapsed

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