US251092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
bragg
Assignee: —
•
Filing: —
•
Granted: 1881-12-20
•
Expires: 1898-12-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:28
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08
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) | 1884-12-19 | 1885-06-20 | 1885-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-12-19 | 1889-06-20 | 1889-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-12-19 | 1893-06-20 | 1893-12-20 | $7700.00 | Window Closed / Lapsed |