Patent US2534617A successfully refreshed from Google Patents.
US255020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Geoege eehfuss
Assignee: —
•
Filing: —
•
Granted: 1882-03-14
•
Expires: 1899-03-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:09
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/08; A61C1/14; A61C1/142; A61C1/144; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17529
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) | 1885-03-13 | 1885-09-12 | 1886-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-03-13 | 1889-09-12 | 1890-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-03-13 | 1893-09-12 | 1894-03-14 | $7700.00 | Window Closed / Lapsed |