US3266673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barium dispensing system
Assignee: Individual
•
Filing: 1964-02-27
•
Granted: 1966-08-16
•
Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 Robert W Sessions
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:35
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/02; B29B7/06; B29B7/10; B29B7/12; B01; B01F; B01F27/00; B01F27/80; B01F27/86
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A BARIUM DISPENSING SYSTEM FOR USE IN COLON FLUOROSCOPIES COMPRISING STORAGE MEANS FOR RECEIVING A LEVEL OF BARIUM SOLUTION, MEANS FOR HEATING AND MAINTAINING THE SOLUTION AT APPROXIMATELY HUMAN BODY TEMPERATURE, VALVE MEANS ENABLING THE SOLUTION TO BE DISPENSED FROM THE STORAGE MEANS, MEANS FOR MAINTAINING PARTICLES OF THE BARIUM IN A PROPERLY DISPERSED CONDITION WITHIN THE STORAGE MEANS COMPRISING A BAFFLE SPACED AT ITS LOWER END ABOVE A BOTTOM OF THE STORAGE MEANS AND SPACED AT ITS UPPER END BELOW THE LEVEL OF THE BARIUM SOLUTION AND EXTENDING LATERALLY TO THE SIDE WALLS OF THE STORAGE MEANS FOR LIMITING CIRCUMFERENTIAL FLOW OF THE SOLUTION WITHIN THE STORAGE MEANS, AND A MOTOR DRIVEN IMPELLER DISPOSED AT ONE SIDE OF THE BAFFLE WITH THE IMPELLER HAVING ROTARY DRIVEN BLADES SPACED ABOVE THE BOTTOM AT AN UNDERSIDE OF THE BAFFLE TO IMPEL THE SOLUTION DOWNWARDLY AND ALONG THE BOTTOM AND THEN VERTICALLY ALONG THE SIDE WALL.
Claim 2
Dependent Claim
154 words
A BARIUM DISPENSING SYSTEM FOR USE IN COLON FLUOROSCOPIES COMPRISING STORAGE MEANS FOR RECEIVING A LEVEL OF BARIUM SOLUTION, MEANS FOR HEATING AND MAINTAINING THE SOLUTION AT APPROXIMATELY HUMAN BODY TEMPERATURE, VALVE MEANS ENABLING THE SOLUTION TO BE DISPENSED FROM THE STORAGE MEANS, MEANS FOR MAINTAINING PARTICLES OF THE BARIUM IN A PROPERLY DISPERSED CONDITION WITHIN THE STORAGE MEANS COMPRISING A BAFFLE SPACED AT ITS LOWER END ABOVE A BOTTOM OF THE STORAGE MEANS AND SPACED AT ITS UPPER END BELOW THE LEVEL OF THE BARIUM SOLUTION AND EXTENDING LATERALLY TO THE SIDE WALLS OF THE STORAGE MEANS FOR LIMITING CIRCUMFERENTIAL FLOW OF THE SOLUTION WITHIN THE STORAGE MEANS, AND A MOTOR DRIVEN IMPELLER DISPOSED AT ONE SIDE OF THE BAFFLE WITH THE IMPELLER HAVING ROTARY DRIVEN BLADES SPACED ABOVE THE BOTTOM AT AN UNDERSIDE OF THE BAFFLE TO IMPEL THE SOLUTION DOWNWARDLY AND ALONG THE BOTTOM AND THEN VERTICALLY ALONG THE SIDE WALL.
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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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |