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
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 12:55
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 |