US2983273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode
Assignee: Individual
•
Filing: 1958-09-15
•
Granted: 1961-05-09
•
Expires: 1978-09-15
Abstract
No abstract record available.
Inventors
- 👤 William L Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:31
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/28; H01R4/30; H01R4/36; A; A61; A61B; A61B5/00; A61B5/24; A61B5/25; A61B5/251; A61B5/252; A61B2562/00; A61B2562/02; A61B2562/0209; A61B2562/0217
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2580628A
Cited
US2621657A
Cited
US2651304A
Cited
US2660175A
Cited
US2782786A
Cited
US2880729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |