US3123067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for determining the presence
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:14
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/026; A61B5/08; A61B5/0813; A61B5/24; A61B5/316; A61B5/318; A61B5/346; A61B5/349; A61B5/352
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
THE PROCESS OF DETERMINING THE PRESENCE IN THE BLOOD STREAM OF A LIVING HUMAN BODY OF HYDROGEN IN THE BLOOD COMPRISING INSERTING DIRECTLY INTO THE BLOOD STREAM A CATHETER BORNE ELECTRODE CAPABLE OF GENERATING AN ELECTRIC SIGNAL IN THE PRESENCE OF HYDROGEN, AND UTILIZING THE
Claim 2
Dependent Claim
45 words
THE PROCESS OF DETERMINING THE PRESENCE IN THE BLOOD STREAM OF A LIVING HUMAN BODY OF HYDROGEN IN THE BLOOD COMPRISING INSERTING DIRECTLY INTO THE BLOOD STREAM A CATHETER BORNE ELECTRODE CAPABLE OF GENERATING AN ELECTRIC SIGNAL IN THE PRESENCE OF HYDROGEN, AND UTILIZING THE
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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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |