Patent US3915152A successfully refreshed from Google Patents.
US3915152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barium device
Assignee: Individual
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Filing: 1974-11-15
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Granted: 1975-10-28
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Expires: 1994-11-15
Abstract
Abstract This device consists primarily of an assembly having lever means, barium supply means, valve means, piston means, squeeze bulb means and other components for providing a control system of barium in combination with air contrast for employment in the examination of patients.
Inventors
- 👤 Jerry Colonna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:42
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/48; A61B6/481
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
A BARIUM DEVICE, COMPRISING BASE MEANS FOR MOUNTING AIR AND BARIUM CONTROL MEANS, LEVER AND WHEEL MEANS PIVOTABLE CARRIED WITHIN SAID DEVICE FOR CONTROLLING THE BARIUM FLUID AND AIR, SAID CONTROL LEVEL IS FIXEDLY TO SAID WHEEL WHICH IS ISOMETRIC, SAID WHEEL HAVING FACE MEANS OF DIFFERENT LEVERS FOR CONTROLLING THE FLUID AND AIR MEANS THROUGH SAID DEVICE, HOSE AND RESERVOIR MEANS SECURED TO SAID BASE PROVIDING FOR GRAVITATIONAL FEED MEANS OF SAID BARIUM FLUID, AN AIR SQUEEZE BULB SECURED TO SAID DEVICE PROVIDING FOR AIR ENTERING SAID DEVICE, TUBE MEANS CONNECTING PISTON DEVICES CARRIED UPON SAID BASE AND VALVE MEANS WITH WASHER MEANS FOR CONTROLLING THE FLOW OF FLUID AND AIR, SAID AIR SQUEEZE BULB IS SECURED TO TUBE MEANS, FIXEDLY, FOR PRODUCING AIR WITHIN SAID DEVICE AND FLUID IS URGED OUT OF THE OUTPUT TUBE OF SAID DEVICE INTO THE PATIENT BY SAID LEVEL CONTROL MEANS PIVOTABLE CARRIED ON THE INTERIOR OF SAID DEVICE, SAID WHEEL OF SAID LEVER BEING SECURED TO POST MEANS SECURED FIXEDLY TO SAID BASE OF SAID DEVICE AND LOCKING LEVER MEANS OF SAID DEVICE IS PIVOTABLY SECURED TO THE UNIT OF SAID DEVICE HAVING A PAIR OF PISTONS, EACH OF SAID PISTONS INCLUDING PIVOTABLE WHEEL BEARING OR REDUCING FRICTION DURING THE OPERATION OF SAID DEVICE.
Claim 2
Dependent Claim
212 words
A BARIUM DEVICE, COMPRISING BASE MEANS FOR MOUNTING AIR AND BARIUM CONTROL MEANS, LEVER AND WHEEL MEANS PIVOTABLE CARRIED WITHIN SAID DEVICE FOR CONTROLLING THE BARIUM FLUID AND AIR, SAID CONTROL LEVEL IS FIXEDLY TO SAID WHEEL WHICH IS ISOMETRIC, SAID WHEEL HAVING FACE MEANS OF DIFFERENT LEVERS FOR CONTROLLING THE FLUID AND AIR MEANS THROUGH SAID DEVICE, HOSE AND RESERVOIR MEANS SECURED TO SAID BASE PROVIDING FOR GRAVITATIONAL FEED MEANS OF SAID BARIUM FLUID, AN AIR SQUEEZE BULB SECURED TO SAID DEVICE PROVIDING FOR AIR ENTERING SAID DEVICE, TUBE MEANS CONNECTING PISTON DEVICES CARRIED UPON SAID BASE AND VALVE MEANS WITH WASHER MEANS FOR CONTROLLING THE FLOW OF FLUID AND AIR, SAID AIR SQUEEZE BULB IS SECURED TO TUBE MEANS, FIXEDLY, FOR PRODUCING AIR WITHIN SAID DEVICE AND FLUID IS URGED OUT OF THE OUTPUT TUBE OF SAID DEVICE INTO THE PATIENT BY SAID LEVEL CONTROL MEANS PIVOTABLE CARRIED ON THE INTERIOR OF SAID DEVICE, SAID WHEEL OF SAID LEVER BEING SECURED TO POST MEANS SECURED FIXEDLY TO SAID BASE OF SAID DEVICE AND LOCKING LEVER MEANS OF SAID DEVICE IS PIVOTABLY SECURED TO THE UNIT OF SAID DEVICE HAVING A PAIR OF PISTONS, EACH OF SAID PISTONS INCLUDING PIVOTABLE WHEEL BEARING OR REDUCING FRICTION DURING THE OPERATION OF SAID DEVICE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-27 | 1979-04-28 | 1979-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-27 | 1983-04-28 | 1983-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-27 | 1987-04-28 | 1987-10-28 | $7700.00 | Window Closed / Lapsed |