US247575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating elevator
Assignee: —
•
Filing: —
•
Granted: 1881-09-27
•
Expires: 1898-09-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:24
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/08; G01G19/083; B; B28; B28C; B28C7/00; B28C7/04; B28C7/0481; B28C7/0486
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) | 1884-09-26 | 1885-03-28 | 1885-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-09-26 | 1889-03-28 | 1889-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-09-26 | 1893-03-28 | 1893-09-27 | $7700.00 | Window Closed / Lapsed |