Patent US4587958A successfully refreshed from Google Patents.
Patent US402550A successfully refreshed from Google Patents.
US402550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emil willbrandt
Assignee: —
•
Filing: —
•
Granted: 1889-04-30
•
Expires: 1906-04-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:36
CPC Classifications
A; A45; A45C; A45C11/00
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) | 1892-04-29 | 1892-10-29 | 1893-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1896-04-29 | 1896-10-29 | 1897-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1900-04-30 | 1900-10-30 | 1901-05-01 | $7700.00 | Window Closed / Lapsed |