US125078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in electro-magnetic apparatus
Assignee: —
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Filing: —
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Granted: 1872-03-26
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Expires: 1889-03-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:10
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/05; A61N1/0521; A61N1/0524; A61B; A61B18/00; A61B2018/00315; A61B2018/00505; A61B2018/00523
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) | 1875-03-26 | 1875-09-25 | 1876-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1879-03-26 | 1879-09-25 | 1880-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1883-03-26 | 1883-09-25 | 1884-03-26 | $7700.00 | Window Closed / Lapsed |