US4569224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for measuring the absolute value of the density of salts in atmosphere
Assignee: Mitsubishi Electric Corp
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Filing: 1984-11-02
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Granted: 1986-02-11
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Expires: 2004-11-02
Abstract
Abstract A device for measuring the absolute value of the density of salts in atmosphere, which comprises: an airtight water tank containing super pure water of a predetermined quantity; a means for bubbling a predetermined quantity of air in atmosphere for a predetermined time into the super pure water to make the salts in the air dissolve in the water; a means for exhausting the super pure water after the bubbling; and a sodium ion analyzer for measuring the density of sodium ions in the exhausted super pure water of a predetermined quantity.
Inventors
- 👤 Takaaki Fukumoto
- 👤 Yasukazu Mukogawa
- 👤 Masaharu Hama
- 👤 Motonori Yanagi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:51
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/0004; G01N33/0009; G01N33/0011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A device for measuring the absolute value of the density of salts in atmosphere, which comprises: an airtight water tank containing super pure water of a predetermined quantity; a means for bubbling a predetermined quantity of air from the atmosphere for a predetermined time into the super pure water to make the salts in the air dissolve in the water; a means for exhausting the super pure water after the bubbling; and a sodium ion analyzer for measuring the density of sodium ions in the exhausted super pure water of a predetermined quantity.
Claim 2
Independent Claim
93 words
A device for measuring the absolute value of the density of salts in atmosphere, which comprises: an airtight water tank containing super pure water of a predetermined quantity; a means for bubbling a predetermined quantity of air from the atmosphere for a predetermined time into the super pure water to make the salts in the air dissolve in the water; a means for exhausting the super pure water after the bubbling; and a sodium ion analyzer for measuring the density of sodium ions in the exhausted super pure water of a predetermined quantity.
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) | 1989-02-10 | 1989-08-12 | 1990-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-02-10 | 1993-08-12 | 1994-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-02-10 | 1997-08-12 | 1998-02-11 | $7700.00 | Window Closed / Lapsed |