US2525381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact-type electrode holder
Assignee: Individual
•
Filing: 1947-09-25
•
Granted: 1950-10-10
•
Expires: 1967-09-25
Abstract
No abstract record available.
Inventors
- 👤 Tower Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:30
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/0404; A61N1/0408; A61N1/0428; A61N1/0432; A61N1/044; A61F; A61F9/00; A61F9/0008; A61F9/0017; A61N1/18; A61N1/20; A61N1/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US768721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |