US3304413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cardiac output computer
Assignee: HP Inc
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Filing: 1963-03-26
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Granted: 1967-02-14
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Expires: 1983-03-26
Abstract
No abstract record available.
Inventors
- 👤 William B Lehmann
- 👤 Ron Arye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:31
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/026; A61B5/0275; A61B5/029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
APPARATUS FOR INTEGRATING A FUNCTION, SAID APPARATUS COMPRISING: FIRST CIRCUIT MEANS FORMING PULSES HAVING A REPETITION RATE RELATED BY A FIRST FACTOR TO THE VALUE OF SAID FUNCTION; A COUNTER; MEANS FOR APPLYING SAID PULSES TO SAID COUNTER; MEANS PRODUCING FIRST AND SECOND SIGNALS RELATED TO THE PEAK VALVE OF SAID FUNCTION; SECOND CIRCUIT MEANS TO FORM PULSES RELATED BY A SECOND FACTOR OF THE VALUE OF SAID FUNCTION IN RESPONSE TO A PREDETERMINED RELATIONSHIP BETWEEN THE VALUE OF SAID FUNCTION AND SAID FIRST SIGNAL; MEANS FOR APPLYING SAID LAST-MENTIONED PULSES TO SAID COUNTER; AND MEANS TO PREVENT THE APPLICATION OF PULSES TO SAID COUNTER IN RESPONSE TO A PREDETERMINED RELATIONSHIP BETWEEN THE VALUE OF SAID FUNCTION AND SAID SECOND SIGNAL.
Claim 2
Dependent Claim
121 words
APPARATUS FOR INTEGRATING A FUNCTION, SAID APPARATUS COMPRISING: FIRST CIRCUIT MEANS FORMING PULSES HAVING A REPETITION RATE RELATED BY A FIRST FACTOR TO THE VALUE OF SAID FUNCTION; A COUNTER; MEANS FOR APPLYING SAID PULSES TO SAID COUNTER; MEANS PRODUCING FIRST AND SECOND SIGNALS RELATED TO THE PEAK VALVE OF SAID FUNCTION; SECOND CIRCUIT MEANS TO FORM PULSES RELATED BY A SECOND FACTOR OF THE VALUE OF SAID FUNCTION IN RESPONSE TO A PREDETERMINED RELATIONSHIP BETWEEN THE VALUE OF SAID FUNCTION AND SAID FIRST SIGNAL; MEANS FOR APPLYING SAID LAST-MENTIONED PULSES TO SAID COUNTER; AND MEANS TO PREVENT THE APPLICATION OF PULSES TO SAID COUNTER IN RESPONSE TO A PREDETERMINED RELATIONSHIP BETWEEN THE VALUE OF SAID FUNCTION AND SAID SECOND SIGNAL.
References Cited (Backward Citations)
US2603123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |