US3222916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal oxide concentration meter
Assignee: North American Aviation Corp
•
Filing: 1962-02-12
•
Granted: 1965-12-14
•
Expires: 1982-02-12
Abstract
No abstract record available.
Inventors
- 👤 Karl A Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:37
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
138 words
A LIQUID ALKALI METAL PLUGGING METER COMPRISING: (A) A HOUSING MEMBER, (B) A PLATE POSITIONED TRANSVERSELY IN SAID HOUSING AND HAVING A CENTRAL PORT WITH A PLURALITY OF COMMUNICATING PORTS EXTENDING RADIALLY FROM SAID CENTRAL PORT, (C) A MOVABLE ROD AXIALLY POSITIONED IN SAID HOUSING, (D) SAID ROD BEING ADAPTED TO BE RECEIVED IN SAID CENTRAL PORT, (E) MEANS FOR MOVING SAID ROD INTO AND OUT OF SAID CENTRAL PORT, (F) HEATER MEANS IN SAID HOUSING MEMBER ADJACENT SAID PLATE, (G) COOLING MEANS SPACED FROM SAID HEATER MEANS AND SAID PLATE, (H) SAID HEATING AND COOLING MEANS ADJUSTING THE TEMPERATURE OF THE LIQUID METAL ADJACENT SAID PLATE, (I) MEANS FOR SENSING THE TEMPERATURE OF THE LIQUID METAL ADJACENT SAID PLATE, AND (J) FLOWMETER MEANS COOPERATING WITH SAID HOUSING FOR SENSING THE LIQUID METAL FLOW RATE THROUGH SAID PLATE.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |