US1583087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface electrode for electrical therapeutic apparatus
Assignee: Individual
•
Filing: 1921-12-19
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Granted: 1926-05-04
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Expires: 1941-12-19
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:05
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/0404; A61N1/0472; A61N1/0492; A61N1/048; H; H01; H01R; H01R13/00; H01R13/62; H01R13/627; H01R13/6277
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) | 1929-05-03 | 1929-11-02 | 1930-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-05-03 | 1933-11-02 | 1934-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-05-03 | 1937-11-02 | 1938-05-04 | $7700.00 | Window Closed / Lapsed |