US497822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-therapeutic
Assignee: —
•
Filing: —
•
Granted: 1893-05-23
•
Expires: 1910-05-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:00
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/34; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/0404; A61N1/0472; A61N1/0484
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) | 1896-05-22 | 1896-11-21 | 1897-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-05-23 | 1900-11-22 | 1901-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-05-23 | 1904-11-22 | 1905-05-24 | $7700.00 | Window Closed / Lapsed |