Patent US3090915A successfully refreshed from Google Patents.
US3090915A
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Assignee: AMF Inc
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Filing: 1961-01-03
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Granted: 1963-05-21
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Dimitri G Soussloff
- 👤 Godel Siegfried
- 👤 Descovich Theodore
- 👤 Ralph E Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:47
CPC Classifications
G; G01; G01R; G01R22/00; G01R22/04; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/42; G07; G07C; G07C3/00; G07C3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A MERCURY COULOMETER FOR MEASURING AND INDICATING THE ELAPSE OF TIME DURING WHICH A FIXED CURRENT IS APPLIED THERETO, COMPRISING A HOUSING HAVING A HERMETICALLY SEALED INTERNAL CHAMBER, A FILTER IMPERMEABLE TO MERCURY, EXCEPT ELECTROLYTICALLY, SEPARATING SAID CHAMBER INTO AN ANODE SECTION AND A CATHODE SECTION, SAID FILTER BEING RIGIDLY FIXED WITHIN SAID HOUSING AND HAVING MEANS FOR FORMING A FLUID-TIGHT SEAL THEREWITH, A BODY OF MERCURY SUBSTANTIALLY FILLING SAID ANODE SECTION, AN ELECTROLYTE SOLUTION FILLING THE REMAINDER OF SAID CHAMBER, A TRANSPARENT TUBULAR
Claim 2
Dependent Claim
84 words
A MERCURY COULOMETER FOR MEASURING AND INDICATING THE ELAPSE OF TIME DURING WHICH A FIXED CURRENT IS APPLIED THERETO, COMPRISING A HOUSING HAVING A HERMETICALLY SEALED INTERNAL CHAMBER, A FILTER IMPERMEABLE TO MERCURY, EXCEPT ELECTROLYTICALLY, SEPARATING SAID CHAMBER INTO AN ANODE SECTION AND A CATHODE SECTION, SAID FILTER BEING RIGIDLY FIXED WITHIN SAID HOUSING AND HAVING MEANS FOR FORMING A FLUID-TIGHT SEAL THEREWITH, A BODY OF MERCURY SUBSTANTIALLY FILLING SAID ANODE SECTION, AN ELECTROLYTE SOLUTION FILLING THE REMAINDER OF SAID CHAMBER, A TRANSPARENT TUBULAR
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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |