US2798493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for transferring thermoelectric power effects to the skin of a human
Assignee: Individual
•
Filing: 1954-06-09
•
Granted: 1957-07-09
•
Expires: 1974-06-09
Abstract
No abstract record available.
Inventors
- 👤 Sukacev Lev
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:12
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/18; A61N1/20; A61N1/28; H; H10; H10N; H10N10/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |