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US3221878A Expired / Lapsed US ⏱️ 0.0 years remaining

Parabiotic chamber apparatus for cell culture studies

Assignee: Bellco Glass Inc
•
Filing: 1962-09-21
•
Granted: 1965-12-07
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Expires: 1982-09-21
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Abstract

No abstract record available.

Inventors

  • 👤 Perry A Brett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:42
CPC Classifications
C; C12; C12M; C12M23/00; C12M23/48; C12M23/02; C12M23/06; C12M23/20; C12M23/38; C12M23/58; C12M29/00; C12M29/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 156 words
A PARABIOTIC CHAMBER APPARATUS, COMPRISING: A PAIR OF VESSELS, EACH OF A TUBULAR CONFIGURATION OPEN AT BOTH ENDS AND HAVING A FLAT FLOOR EXTENDING ALONG A CENTRAL BOTTOM PORTION BETWEEN SAID OPEN ENDS, SAID FLOOR HAVING A TRANSVERSE WIDTH ACROSS SAID CONFIGURATION AND A LONGITUDINAL LENGTH EXTENDING BETWEEN TWO CONSTRICTIONS OF SAID CONFIGURATION ARISING FROM SAID FLOOR TO FORM BOUNDARIES BETWEEN SAID FLOOR AND OPEN ENDS, SAID WIDTH AND LENGTH DEFINING WITH SAID CONSTRICTIONS A CULTURE GROWTH AREA THEREIN, MEANS SUPPORTING SAID VESSELS ADJACENT AND ALIGNED WITH ONE ANOTHER FOR COMMUNICATION THEREBETWEEN THROUGH ADJACENT OPEN ENDS OF THE VESSELS; A DIALYSIS MEMBRANE INTERPOSED BETWEEN SAID ADJACENT ENDS; AND PLUG MEMBERS CLOSING THE REMOTE OPEN ENDS OF THE VESSELS, SAID MEANS COMPRISING A HORIZONTAL BASE AND A HOLDER MEANS EXTENDING ABOVE SAID BASE FOR CLAMPING SAID ADJACENT ENDS TOGETHER AND SUPPORTING SAID VESSDLS WITH SAID FLOOR OF EACH VESSEL AT AN ELEVATED HORIZONTAL PLANE OVER SAID BASE.
Claim 2
Dependent Claim 156 words
A PARABIOTIC CHAMBER APPARATUS, COMPRISING: A PAIR OF VESSELS, EACH OF A TUBULAR CONFIGURATION OPEN AT BOTH ENDS AND HAVING A FLAT FLOOR EXTENDING ALONG A CENTRAL BOTTOM PORTION BETWEEN SAID OPEN ENDS, SAID FLOOR HAVING A TRANSVERSE WIDTH ACROSS SAID CONFIGURATION AND A LONGITUDINAL LENGTH EXTENDING BETWEEN TWO CONSTRICTIONS OF SAID CONFIGURATION ARISING FROM SAID FLOOR TO FORM BOUNDARIES BETWEEN SAID FLOOR AND OPEN ENDS, SAID WIDTH AND LENGTH DEFINING WITH SAID CONSTRICTIONS A CULTURE GROWTH AREA THEREIN, MEANS SUPPORTING SAID VESSELS ADJACENT AND ALIGNED WITH ONE ANOTHER FOR COMMUNICATION THEREBETWEEN THROUGH ADJACENT OPEN ENDS OF THE VESSELS; A DIALYSIS MEMBRANE INTERPOSED BETWEEN SAID ADJACENT ENDS; AND PLUG MEMBERS CLOSING THE REMOTE OPEN ENDS OF THE VESSELS, SAID MEANS COMPRISING A HORIZONTAL BASE AND A HOLDER MEANS EXTENDING ABOVE SAID BASE FOR CLAMPING SAID ADJACENT ENDS TOGETHER AND SUPPORTING SAID VESSDLS WITH SAID FLOOR OF EACH VESSEL AT AN ELEVATED HORIZONTAL PLANE OVER SAID BASE.

References Cited (Backward Citations)

US1331732A Cited
US2251083A Cited
US2276986A Cited
US2397438A Cited
US3069340A Cited
US3055504A Cited
US3129476A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-06 1969-06-07 1969-12-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-06 1973-06-07 1973-12-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-06 1977-06-07 1977-12-07 $7700.00 Window Closed / Lapsed

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