US255693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stair-truck
Assignee: —
•
Filing: —
•
Granted: 1882-03-28
•
Expires: 1899-03-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:27
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/02; B62B5/026; B60; B60B; B60B19/00; B60B19/12
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) | 1885-03-27 | 1885-09-26 | 1886-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-03-27 | 1889-09-26 | 1890-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-03-27 | 1893-09-26 | 1894-03-28 | $7700.00 | Window Closed / Lapsed |