Patent US530159A successfully refreshed from Google Patents.
US530159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical chair
Assignee: —
•
Filing: —
•
Granted: 1894-12-04
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Expires: 1911-12-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:20
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/30; B60N2/3038; B60N2/3063; B60N2/3065; A; A47; A47C; A47C1/00; A47C1/02; A47C1/031; A47C1/032
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) | 1897-12-03 | 1898-06-04 | 1898-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-12-04 | 1902-06-05 | 1902-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-12-04 | 1906-06-05 | 1906-12-05 | $7700.00 | Window Closed / Lapsed |