Patent US3355731A successfully refreshed from Google Patents.
US3355731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic timer utilizing current flow through an electrolytic solution
Assignee: Individual
•
Filing: 1965-01-27
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Granted: 1967-11-28
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Expires: 1985-01-27
Abstract
No abstract record available.
Inventors
- 👤 Jr John Paul Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:16
CPC Classifications
H; H01; H01H; H01H7/00; H01H7/08; H01H7/10; H01H7/14; B; B60; B60R; B60R21/00; B60R21/02; B60R21/16; B60R21/33; H01H43/00; H01H43/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
APPARATUS FOR ACCURATELY TIMING A PERIOD OF ENERGIZATION OF AN ELECTRIC CIRCUIT BY ELECTROLYSIS COMPRISING IN COMBINATION, AN ELECTRICAL CONDUCTOR MEMBER HAVING AN ACCURATELY CALIBRATED CROSS SECTION, AN ELECTROLYTIC BATH, A PLATING SURFACE, A SEALED CASE ENCLOSING SAID BATH AND IMMERSING THEREIN SAID CONDUCTOR AND SAID SURFACE, MEANS ESTABLISHING A CONSTANT CURRENT FLOW THROUGH SAID CONDUCTOR ON SAID PLATING SURFACE, MEANS LIMITING THE POTENTIAL ACROSS SAID CONDUCTOR WITHIN SAID CASE TO PREVENT ELECTROLYSIS WITHIN SAID BATH WHEN CONTINUITY OF SAID CONDUCTOR IS BROKEN, AND MEANS DETERMINING THE EXPIRATION OF A PREDETERMINED TIME PERIOD BY SENSING THE LACK OF CONTINUITY OF SAID CONDUCTOR MEMBER WHEN IT IS ERODED AWAY AND BROKEN THROUGH BY THE PLATING ACTION.
Claim 2
Dependent Claim
115 words
APPARATUS FOR ACCURATELY TIMING A PERIOD OF ENERGIZATION OF AN ELECTRIC CIRCUIT BY ELECTROLYSIS COMPRISING IN COMBINATION, AN ELECTRICAL CONDUCTOR MEMBER HAVING AN ACCURATELY CALIBRATED CROSS SECTION, AN ELECTROLYTIC BATH, A PLATING SURFACE, A SEALED CASE ENCLOSING SAID BATH AND IMMERSING THEREIN SAID CONDUCTOR AND SAID SURFACE, MEANS ESTABLISHING A CONSTANT CURRENT FLOW THROUGH SAID CONDUCTOR ON SAID PLATING SURFACE, MEANS LIMITING THE POTENTIAL ACROSS SAID CONDUCTOR WITHIN SAID CASE TO PREVENT ELECTROLYSIS WITHIN SAID BATH WHEN CONTINUITY OF SAID CONDUCTOR IS BROKEN, AND MEANS DETERMINING THE EXPIRATION OF A PREDETERMINED TIME PERIOD BY SENSING THE LACK OF CONTINUITY OF SAID CONDUCTOR MEMBER WHEN IT IS ERODED AWAY AND BROKEN THROUGH BY THE PLATING ACTION.
References Cited (Backward Citations)
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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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |