US3242924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infusion monitoring device with snap action cut-off means
Assignee: Scientific Industries Inc
•
Filing: 1963-10-11
•
Granted: 1966-03-29
•
Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Harold D Kraft
- 👤 Jack A Kraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:54
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/1414; A61M5/1415; A61M39/00; A61M39/22; A61M39/28; A61M39/281; A61M5/168; A61M5/16831; A61M5/1684; A61M5/16845; Y; Y10; Y10S; Y10S128/00; Y10S128/13; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7339; Y10T137/7355; Y10T137/7358; Y10T137/7381; Y10T137/7387
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
AN INFUSION MONITORING DEVICE COMPRISING A HOUSING WITH A PIVOTED LEVER THEREIN, LIQUID CONTAINER MEANS SUSPENDED FROM ONE END OF SAID LEVER, TUBE MEANS EXTENDING BELOW SAID HOUSING, PLUNGER MEANS PIVOTALLY CONNECTED TO THE OTHER END OF SAID LEVER AND SLIDABLY DISPOSED IN SAID TUBE MEANS, FLEXIBLE DISPENSING MEANS IN COMMUNICATION WITH SAID CONTAINER AND CARRIED BY SAID TUBE MEANS FOR DISCHARGING LIQUID FROM SAID CONTAINER, SAID PLUNGER MEANS BEING DISPOSED TO PINCH OFF SAID DISPENSING MEANS WHEN A PREDETERMINED QUANTITY OF LIQUID HAS BEEN DISCHARGED FROM SAID CONTAINER, BIASING MEANS MOUNTED ON SAID PLUNGER MEANS AND HAVING ONE END FIXED TO SAID PLUNGER MEANS, ADJUSTABLE MEANS FOR VARYING THE FORCE IN SAID BIASING MEANS SLIDABLY DISPOSED ON SAID PLUNGER MEANS, THE OTHER END OF SAID BIASING MEANS BEING FIXED TO SAID ADJUSTABLE MEANS, SAID PLUNGER MEANS BEING ACTUATED BY SAID BIASING MEANS TO PINCH OFF SAID DISPENSING MEANS WHEN A PREDETERMINED QUANTITY OF LIQUID HAS BEEN DISCHARGED FROM SAID CONTAINER.
Claim 2
Dependent Claim
161 words
AN INFUSION MONITORING DEVICE COMPRISING A HOUSING WITH A PIVOTED LEVER THEREIN, LIQUID CONTAINER MEANS SUSPENDED FROM ONE END OF SAID LEVER, TUBE MEANS EXTENDING BELOW SAID HOUSING, PLUNGER MEANS PIVOTALLY CONNECTED TO THE OTHER END OF SAID LEVER AND SLIDABLY DISPOSED IN SAID TUBE MEANS, FLEXIBLE DISPENSING MEANS IN COMMUNICATION WITH SAID CONTAINER AND CARRIED BY SAID TUBE MEANS FOR DISCHARGING LIQUID FROM SAID CONTAINER, SAID PLUNGER MEANS BEING DISPOSED TO PINCH OFF SAID DISPENSING MEANS WHEN A PREDETERMINED QUANTITY OF LIQUID HAS BEEN DISCHARGED FROM SAID CONTAINER, BIASING MEANS MOUNTED ON SAID PLUNGER MEANS AND HAVING ONE END FIXED TO SAID PLUNGER MEANS, ADJUSTABLE MEANS FOR VARYING THE FORCE IN SAID BIASING MEANS SLIDABLY DISPOSED ON SAID PLUNGER MEANS, THE OTHER END OF SAID BIASING MEANS BEING FIXED TO SAID ADJUSTABLE MEANS, SAID PLUNGER MEANS BEING ACTUATED BY SAID BIASING MEANS TO PINCH OFF SAID DISPENSING MEANS WHEN A PREDETERMINED QUANTITY OF LIQUID HAS BEEN DISCHARGED FROM SAID CONTAINER.
References Cited (Backward Citations)
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |