US3396719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methabolic rate meter and method
Assignee: Isomet Corp
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Filing: 1963-07-02
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Granted: 1968-08-13
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Expires: 1983-07-02
Abstract
No abstract record available.
Inventors
- 👤 Taylor Thomas Ivan
- 👤 Ruderman Irving Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:28
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/08; A61B5/0813
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
METHOD FOR THE DETERMINATIN OF THE METABOLIC RATE OF HUMANS AND ANIMALS WHICH COMPRISES THE STEPS OF FORMING A STREAM OF THE RESPIRATORIAL EXHALATIONS, INTRODUCING CARBON 13 LABELLED CARBON DIOXIDE INTO SAID STREAM AT A PREDETERMINED RATE, UNIFORMLY ADMIXING SAID STREAM AND SAID LABELLED CARBON DIOXIDE, AND MEASURING THE RATIO OF CARBON 12 TO CARBON 13 IN SAID MIXTURE BY MASS SPECTROMETRY.
Claim 2
Dependent Claim
62 words
METHOD FOR THE DETERMINATIN OF THE METABOLIC RATE OF HUMANS AND ANIMALS WHICH COMPRISES THE STEPS OF FORMING A STREAM OF THE RESPIRATORIAL EXHALATIONS, INTRODUCING CARBON 13 LABELLED CARBON DIOXIDE INTO SAID STREAM AT A PREDETERMINED RATE, UNIFORMLY ADMIXING SAID STREAM AND SAID LABELLED CARBON DIOXIDE, AND MEASURING THE RATIO OF CARBON 12 TO CARBON 13 IN SAID MIXTURE BY MASS SPECTROMETRY.
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) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |