US3221878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parabiotic chamber apparatus for cell culture studies
Assignee: Bellco Glass Inc
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Filing: 1962-09-21
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Granted: 1965-12-07
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Expires: 1982-09-21
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.
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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) | 1968-12-06 | 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 |