US2881056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Galvanic corrosion indicator
Assignee: Honeywell Inc
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Filing: 1956-06-29
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Granted: 1959-04-07
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Expires: 1976-06-29
Abstract
No abstract record available.
Inventors
- 👤 Powell A Joyner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:25
CPC Classifications
G; G01; G01N; G01N17/00; G01N17/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A CONDITION RESPONSIVE DEVICE FOR DETERMINING THE EXTENT OF EXPOSURE TO A CERTAIN CORROSIVE ATMOSPHERE COMPRISING A MOUNTING BASE HAVING A GALVANIC BATTERY MOUNTED THEREON WHICH INCLUDES A FIEST GALVANIC MEMBER OCCUPYING ONE ELEVEL IN THE ELECTROMOTIVE FORCE SERIES OF ELEMENTS AND A LEAST ONE ADDITIONAL GALVANIC MEMBER WHICH IS ABOVE SAID FIRST MEMBER IN THE ELECTROMOTIVE FORCE SERIES, SAID GALVANIC ELEMENTS BEING ARRANGED IN SPACED RELATIONSHIP AND DEFINING A GAP THEREBETWEEN, EXTERNAL CONDUCTION MEANS ELECTRICALLY CONNECTING SAID GALVANIC MEMBERS ONE TO THE OTHER, A BODY OF MATERIAL ELECTRICALLY CONDUCTIVELY SENSITIVE TO THE PRESENCE OF SAID CORROSIVE ATMOSPHERE IN CONTACT THEREWITH BRIDGING SAID MEMBERS AND PHYSICALLY OCCUPYING SAID GAP AND ARRANGED TO CONTROL THE RATE OF DECOMPOSITION OF SAID ADDITIONAL GALVANIC MEMBER, AND MEANS FOR DETERMINING THE EXTENT OF GALVANIC DECOMPOSITION OF SAID ADDITIONAL GALVANIC MEMBER.
Claim 2
Dependent Claim
136 words
A CONDITION RESPONSIVE DEVICE FOR DETERMINING THE EXTENT OF EXPOSURE TO A CERTAIN CORROSIVE ATMOSPHERE COMPRISING A MOUNTING BASE HAVING A GALVANIC BATTERY MOUNTED THEREON WHICH INCLUDES A FIEST GALVANIC MEMBER OCCUPYING ONE ELEVEL IN THE ELECTROMOTIVE FORCE SERIES OF ELEMENTS AND A LEAST ONE ADDITIONAL GALVANIC MEMBER WHICH IS ABOVE SAID FIRST MEMBER IN THE ELECTROMOTIVE FORCE SERIES, SAID GALVANIC ELEMENTS BEING ARRANGED IN SPACED RELATIONSHIP AND DEFINING A GAP THEREBETWEEN, EXTERNAL CONDUCTION MEANS ELECTRICALLY CONNECTING SAID GALVANIC MEMBERS ONE TO THE OTHER, A BODY OF MATERIAL ELECTRICALLY CONDUCTIVELY SENSITIVE TO THE PRESENCE OF SAID CORROSIVE ATMOSPHERE IN CONTACT THEREWITH BRIDGING SAID MEMBERS AND PHYSICALLY OCCUPYING SAID GAP AND ARRANGED TO CONTROL THE RATE OF DECOMPOSITION OF SAID ADDITIONAL GALVANIC MEMBER, AND MEANS FOR DETERMINING THE EXTENT OF GALVANIC DECOMPOSITION OF SAID ADDITIONAL GALVANIC MEMBER.
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) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |