US530816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
George wright
Assignee: —
•
Filing: 1894-05-11
•
Granted: 1894-12-11
•
Expires: 1914-05-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:26
CPC Classifications
E; E03; E03F; E03F1/00; B; B01; B01D; B01D29/00; B01D29/01; B01D29/05; E02; E02D; E02D29/00; E02D29/12; E03F5/00; E03F5/04; E03F5/0401; E03F5/0404
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) | 1897-12-10 | 1898-06-11 | 1898-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-12-11 | 1902-06-12 | 1902-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-12-11 | 1906-06-12 | 1906-12-12 | $7700.00 | Window Closed / Lapsed |