US3567657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically conductive skin conditioning system
Assignee: Individual
•
Filing: 1968-05-29
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Granted: 1971-03-02
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Expires: 1988-05-29
Abstract
Abstract THE SUE OF AN ELECTRICALLY CONDUCTIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF BENZOIC, SALICYCLIC, TARTARIC, CITRIC, LACTIC AND MALIC ACIDS, THE SODIUM AND POATASSIUM SALTS THEREOF, THE SODIUM AND POTASSIUM ACID SALTS THEREOF AND MIXTURES OF THE SAME, WITH ELECTRIAL MEDICAL INSTRUMENTATION SUCH AS ELECTRO-CARDIOGRAPHIC DIAGNOSTIC EQUIPMENT.
Inventors
- 👤 Joseph Lichtenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
H; H01; H01B; H01B1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |