US3143111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blood pressure follower
Assignee: Winston Electronics Ltd
•
Filing: 1960-09-23
•
Granted: 1964-08-04
•
Expires: 1980-09-23
Abstract
No abstract record available.
Inventors
- 👤 John H Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:56
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/02141; A61B5/022; A61B5/0225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A SYSTEM FOR THE CONTINUOUS CONTROL OF BLOOD PRESSURE IN A DIGIT COMPRISING A CUFF FOR APPLICATION TO A PORTION OF SAID DIGIT AND INCLUDING FLEXIBLE INFLATABLE MEANS, PNEUMATIC PRESSURE MEANS CONNECTED TO SAID INFLATABLE MEANS, A PRESSURE TRANSDUCER WITHIN SAID CUFF ADJACENT TO SAID DIGIT FOR PRODUCING A SIGNAL IN RESPONSE TO EACH ARTERIAL PULSATION IN SAID DIGIT, A NORMALLY CLOSED AIR VALVE BETWEEN SAID PNEUMATIC PRESSURE MEANS AND SAID INFLATABLE MEANS, MEANS CONTROLLED BY SAID TRANSDUCER FOR TEMPORARILY OPENING SAID VALVE IN RESPONSE TO EACH OF SAID SIGNALS PRODUCED BY SAID TRANSDUCER, MEANS CONNECTED TO SAID INFLATABLE MEANS FOR INDICATING THE PRESSURE THEREIN, AT LEAST ONE DRUG CONTAINER, MEANS FOR CONTROLLING THE FLOW OF DRUGS FROM SAID CONTAINER, AN ADJUSTABLE PRESSURE ACTUATOR CONNECTED TO SAID MEANS FOR CONTROLLING THE FLOW OF SAID DRUGS, AND MEANS CONNECTING SAID PRESSURE ACTUA-
Claim 2
Independent Claim
141 words
A SYSTEM FOR THE CONTINUOUS CONTROL OF BLOOD PRESSURE IN A DIGIT COMPRISING A CUFF FOR APPLICATION TO A PORTION OF SAID DIGIT AND INCLUDING FLEXIBLE INFLATABLE MEANS, PNEUMATIC PRESSURE MEANS CONNECTED TO SAID INFLATABLE MEANS, A PRESSURE TRANSDUCER WITHIN SAID CUFF ADJACENT TO SAID DIGIT FOR PRODUCING A SIGNAL IN RESPONSE TO EACH ARTERIAL PULSATION IN SAID DIGIT, A NORMALLY CLOSED AIR VALVE BETWEEN SAID PNEUMATIC PRESSURE MEANS AND SAID INFLATABLE MEANS, MEANS CONTROLLED BY SAID TRANSDUCER FOR TEMPORARILY OPENING SAID VALVE IN RESPONSE TO EACH OF SAID SIGNALS PRODUCED BY SAID TRANSDUCER, MEANS CONNECTED TO SAID INFLATABLE MEANS FOR INDICATING THE PRESSURE THEREIN, AT LEAST ONE DRUG CONTAINER, MEANS FOR CONTROLLING THE FLOW OF DRUGS FROM SAID CONTAINER, AN ADJUSTABLE PRESSURE ACTUATOR CONNECTED TO SAID MEANS FOR CONTROLLING THE FLOW OF SAID DRUGS, AND MEANS CONNECTING SAID PRESSURE ACTUA-
References Cited (Backward Citations)
US2851030A
Cited
US2409033A
Cited
US2452799A
Cited
US2690178A
Cited
US2848992A
Cited
US2826191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |