US3224433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
ph electrodes
Assignee: Honeywell Inc
•
Filing: 1961-04-10
•
Granted: 1965-12-21
•
Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 Dalebor Henry J Hroch Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:02
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/145; A61B5/14542; A61B5/14539; A61B5/1468; A61B5/1473; A61B5/68; A61B5/6846; A61B5/6847; A61B5/6848
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PH ELECTRODE ASSEMBLY COMPRISING A HYPODERMIC NEEDLE HAVING AN AXIAL BORE AND A POINTED END, A GLASS PH ELECTRODE HAVING A TUBE PORTION LOCATED WITHIN SAID BORE AND TERMINATING THEREIN ADJACENT SAID NEEDLE END, AND AN ELONGATED WINDOW IN THE WALL OF SAID NEEDLE EXTENDING FROM ADJACENT SAID END PARALLEL TO THE AXIS OF SAID NEEDLE, AND PASSING FROM THE EXTERIOR OF SAID NEEDLE TO SAID BORE, A SECTION OF SAID TUBE PORTION WHICH IS IN REGISTER WITH SAID WINDOW BEING ARRANGED TO CONSTITUTE A PH-SENSITIVE MEMBRANE.
Claim 2
Dependent Claim
88 words
A PH ELECTRODE ASSEMBLY COMPRISING A HYPODERMIC NEEDLE HAVING AN AXIAL BORE AND A POINTED END, A GLASS PH ELECTRODE HAVING A TUBE PORTION LOCATED WITHIN SAID BORE AND TERMINATING THEREIN ADJACENT SAID NEEDLE END, AND AN ELONGATED WINDOW IN THE WALL OF SAID NEEDLE EXTENDING FROM ADJACENT SAID END PARALLEL TO THE AXIS OF SAID NEEDLE, AND PASSING FROM THE EXTERIOR OF SAID NEEDLE TO SAID BORE, A SECTION OF SAID TUBE PORTION WHICH IS IN REGISTER WITH SAID WINDOW BEING ARRANGED TO CONSTITUTE A PH-SENSITIVE MEMBRANE.
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |