US3309684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bio-instrumentation monitoring and display device
Assignee: Individual
•
Filing: 1964-06-09
•
Granted: 1967-03-14
•
Expires: 1984-06-09
Abstract
No abstract record available.
Inventors
- 👤 Elliott H Kahn
- 👤 William M Nelson
- 👤 Stempler Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:33
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/60; G01; G01N; G01N33/00; G01N33/0004; G01N33/0009; G01N33/0027; G01N33/0031; G01N33/0032; G01N35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
BIO-INSTRUMENTATION APPARATUS COMPRISING: AN ENVIRONMENTAL CHAMBER; A PLURALITY OF ENVIRONMENTAL SENSING AND ANALYZING MEANS CONNECTED TO SAID CHAMBER FOR PROVIDING A PLURALITY OF OUTPUT SIGNALS EACH CORRESPONDING TO AN ACTUAL ENVIRONMENTAL PARAMETER IN SAID CHAMBER INCLUDING THI, CARBON MONOXIDE, CARBON DIOXIDE, OXYGEN, AND ALTITUDE PRESSURE CONDITIONS; CLOCK DRIVEN FUNCTION GENERATOR MEANS FOR PROVIDING A PLURALITY OF REFERENCE SIGNALS EACH REPRESENTING THE ALLOWABLE VALUE OF ONE OF SAID THI, CARBON MONOOXIDE, CARBON DIOXIDE, AND OXYGEN CONDITIONS AS A FUNCTION OF TIME; ALTITUDE FUNCTION GENERATOR MEANS RESPONSIVE TO THE OUTPUT SIGNAL CORRESPONDING TO SAID ALTITUDE PRESSURE CONDITION TO PROVIDE AN ALTITUDE CORRECTION SIGNAL; THI, CARBON MONOXIDE, CARBON DIOXIDE, AND OXYGEN RATIO COMPUTERS CONNECTED TO SAID SENSING AND ANALYZING MEANS, TO SAID TIME FUNCTION GENERATOR AND TO SAID ALTITUDE FUNCTION GENERATOR, SAID RATIO COMPUTERS BEING OPERATIVE TO COMPARE SAID OUTPUT SIGNALS OF SAID
Claim 2
Dependent Claim
140 words
BIO-INSTRUMENTATION APPARATUS COMPRISING: AN ENVIRONMENTAL CHAMBER; A PLURALITY OF ENVIRONMENTAL SENSING AND ANALYZING MEANS CONNECTED TO SAID CHAMBER FOR PROVIDING A PLURALITY OF OUTPUT SIGNALS EACH CORRESPONDING TO AN ACTUAL ENVIRONMENTAL PARAMETER IN SAID CHAMBER INCLUDING THI, CARBON MONOXIDE, CARBON DIOXIDE, OXYGEN, AND ALTITUDE PRESSURE CONDITIONS; CLOCK DRIVEN FUNCTION GENERATOR MEANS FOR PROVIDING A PLURALITY OF REFERENCE SIGNALS EACH REPRESENTING THE ALLOWABLE VALUE OF ONE OF SAID THI, CARBON MONOOXIDE, CARBON DIOXIDE, AND OXYGEN CONDITIONS AS A FUNCTION OF TIME; ALTITUDE FUNCTION GENERATOR MEANS RESPONSIVE TO THE OUTPUT SIGNAL CORRESPONDING TO SAID ALTITUDE PRESSURE CONDITION TO PROVIDE AN ALTITUDE CORRECTION SIGNAL; THI, CARBON MONOXIDE, CARBON DIOXIDE, AND OXYGEN RATIO COMPUTERS CONNECTED TO SAID SENSING AND ANALYZING MEANS, TO SAID TIME FUNCTION GENERATOR AND TO SAID ALTITUDE FUNCTION GENERATOR, SAID RATIO COMPUTERS BEING OPERATIVE TO COMPARE SAID OUTPUT SIGNALS OF SAID
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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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |