Patent US276472A successfully refreshed from Google Patents.
US276472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hotjse
Assignee: —
•
Filing: —
•
Granted: 1883-04-24
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Expires: 1900-04-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:40
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/0213; H05K1/0263; H02; H02G; H02G9/00; H02G9/06; H02G3/00; H02G3/02; H02G3/04; H02G3/0462; H02G3/0475
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) | 1886-04-23 | 1886-10-23 | 1887-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1890-04-23 | 1890-10-23 | 1891-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1894-04-23 | 1894-10-23 | 1895-04-24 | $7700.00 | Window Closed / Lapsed |