US3295515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode assembly
Assignee: Beckman Coulter Inc
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Filing: 1963-11-05
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Granted: 1967-01-03
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Expires: 1983-11-05
Abstract
No abstract record available.
Inventors
- 👤 Alan R Kahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:22
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61B; A61B5/00; A61B5/24; A61B5/25; A61B5/251; A61B5/256; A61B5/257; A61B5/263; A61B5/265; A61B2562/00; A61B2562/02; A61B2562/0209; A61B2562/0215; A61B2562/0217
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN ELECTRODE ASSEMBLY FOR DETECTING LOW LEVEL ELECTRICAL SIGNALS FROM THE SKIN OF A LIVING CREATURE COMPRISING: A RELATIVELY THIN DISC OF NONCONDUCTING MATERIAL HAVING A FACE FOR CONTACTING A SKIN SURFACE; SAID DISC HAVING A RIGID WALL RECESSED BEHIND SAID FACE; SAID DISC HAVING AN ELECTROLYTE RESERVOIR BEHIND SAID WALL; AN ELECTRODE COMPONENT FIXEDLY MOUNTED IN SAID RESERVOIR AND SPACED BEHIND SAID WALL; SAID RIGID WALL OF SAID DISC HAVING A PLURALITY OF OPENINGS THERETHROUGH OF SUFFICIENTLY SMALL SIZE SO THAT WHEN SAID WALL CONTACTS A SKIN SURFACE THE MOVEMENT OF THE SKIN OR COMPRESSION THEREOF INTO THE OPENINGS ARE INSUFFICIENT TO MECHANICALLY DISTURB ELECTROLYTE CLOSELY ADJACENT TO SAID ELECTRODE COMPONENT; AND A CONDUCTOR CONNECTED TO SAID ELECTRODE COMPONENT AND EXTENDING TO THE EXTERIOR OF SAID DISC.
Claim 2
Dependent Claim
128 words
AN ELECTRODE ASSEMBLY FOR DETECTING LOW LEVEL ELECTRICAL SIGNALS FROM THE SKIN OF A LIVING CREATURE COMPRISING: A RELATIVELY THIN DISC OF NONCONDUCTING MATERIAL HAVING A FACE FOR CONTACTING A SKIN SURFACE; SAID DISC HAVING A RIGID WALL RECESSED BEHIND SAID FACE; SAID DISC HAVING AN ELECTROLYTE RESERVOIR BEHIND SAID WALL; AN ELECTRODE COMPONENT FIXEDLY MOUNTED IN SAID RESERVOIR AND SPACED BEHIND SAID WALL; SAID RIGID WALL OF SAID DISC HAVING A PLURALITY OF OPENINGS THERETHROUGH OF SUFFICIENTLY SMALL SIZE SO THAT WHEN SAID WALL CONTACTS A SKIN SURFACE THE MOVEMENT OF THE SKIN OR COMPRESSION THEREOF INTO THE OPENINGS ARE INSUFFICIENT TO MECHANICALLY DISTURB ELECTROLYTE CLOSELY ADJACENT TO SAID ELECTRODE COMPONENT; AND A CONDUCTOR CONNECTED TO SAID ELECTRODE COMPONENT AND EXTENDING TO THE EXTERIOR OF SAID DISC.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |