US2943628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode assembly
Assignee: Individual
•
Filing: 1957-02-27
•
Granted: 1960-07-05
•
Expires: 1977-02-27
Abstract
No abstract record available.
Inventors
- 👤 William L Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:40
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/24; A61B5/25; A61B5/251; A61B5/257; A61N; A61N1/00; A61N1/02; A61N1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US496244A
Cited
US691820A
Cited
US1262963A
Cited
US1498059A
Cited
US1662446A
Cited
US1671825A
Cited
US2065295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |