US3085567A
Expired / Lapsed
US
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Frequency selective method and apparatus for sphygmomanometry
Assignee: Garrett Corp
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Filing: 1961-03-10
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Granted: 1963-04-16
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Vigilante
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:10
CPC Classifications
A; A61; A61B; A61B7/00; A61B7/02; A61B7/04; A61B7/045; A61B5/00; A61B5/24; A61B5/316; A61B5/318; A61B5/346; A61B5/349; A61B5/352
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A METHOD OF MEASURING SYSTOLIC AND DIASTOLIC PRESSURES IN AN ARTERY UNDER ADVERSE NOISE CONDITIONS COMPRISING THE STEPS OF: APPLYING A PRESSURE TO THE ARTERY SUFFICIENT TO OCCLUDE ARTERIAL FLOW; DIMINISHING THE PRESSURE TO INITIATE RESTRICTED FLOW AND DEVELOP PRESSURE VARIATIONS OF SONIC FREQUENCY, AND CONTINUING TO DIMINISH THE PRESSURE UNTIL THE SONICFREQUENCY PRESSURE VARIATIONS EFFECTIVELY TERMINATE; SELECTING COMPONENTS OF THE SONIC-FREQUENCY PRESSURE VARIATIONS DISTINGUISHABLE FROM AMBIENT NOISE; AND CORRELATING THE SELECTED COMPONENTS WITH THE PRESSURE TO ASCERTAIN THE RESPECTIVE MAGNITUDES OF THE LATTER UPON INITIATION AND TERMINATION OF THE FORMER.
Claim 2
Independent Claim
91 words
A METHOD OF MEASURING SYSTOLIC AND DIASTOLIC PRESSURES IN AN ARTERY UNDER ADVERSE NOISE CONDITIONS COMPRISING THE STEPS OF: APPLYING A PRESSURE TO THE ARTERY SUFFICIENT TO OCCLUDE ARTERIAL FLOW; DIMINISHING THE PRESSURE TO INITIATE RESTRICTED FLOW AND DEVELOP PRESSURE VARIATIONS OF SONIC FREQUENCY, AND CONTINUING TO DIMINISH THE PRESSURE UNTIL THE SONICFREQUENCY PRESSURE VARIATIONS EFFECTIVELY TERMINATE; SELECTING COMPONENTS OF THE SONIC-FREQUENCY PRESSURE VARIATIONS DISTINGUISHABLE FROM AMBIENT NOISE; AND CORRELATING THE SELECTED COMPONENTS WITH THE PRESSURE TO ASCERTAIN THE RESPECTIVE MAGNITUDES OF THE LATTER UPON INITIATION AND TERMINATION OF THE FORMER.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |