US249947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain
Assignee: —
•
Filing: —
•
Granted: 1881-11-22
•
Expires: 1898-11-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:54
CPC Classifications
F; F16; F16B; F16B45/00; F16B45/02; F16B45/035; F16B45/005; F16B45/012; F16G; F16G13/00; F16G13/12; F16G13/14
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) | 1884-11-21 | 1885-05-23 | 1885-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-11-21 | 1889-05-23 | 1889-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-11-21 | 1893-05-23 | 1893-11-22 | $7700.00 | Window Closed / Lapsed |