US3234562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkali metal borohydride and boron halide determination process
Assignee: Individual
•
Filing: 1960-11-17
•
Granted: 1966-02-08
•
Expires: 1980-11-17
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Bell
- 👤 Grady C Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:39
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/28; G01N27/30; G01N27/333; Y; Y10; Y10T; Y10T436/00; Y10T436/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A METHOD FOR MEASURING THE CONCENTRATION IN A FLOWING DIETHYL ETHER LIQUID SOLUTION OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL BOROHYDRIDES AND BORON HALIDES WHICH COMPRISES INTRODUCING A SILVER ELECTRODE AND AN ANTIMONY ELECTRODE INTO SAID LIQUID SOLUTION THEREBY GENERATING AN ELECTROMOTIVE FORCE, THE DIREC-
Claim 2
Independent Claim
49 words
A METHOD FOR MEASURING THE CONCENTRATION IN A FLOWING DIETHYL ETHER LIQUID SOLUTION OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL BOROHYDRIDES AND BORON HALIDES WHICH COMPRISES INTRODUCING A SILVER ELECTRODE AND AN ANTIMONY ELECTRODE INTO SAID LIQUID SOLUTION THEREBY GENERATING AN ELECTROMOTIVE FORCE, THE DIREC-
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |