Patent US284345A successfully refreshed from Google Patents.
US284345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Of wobcesteb
Assignee: —
•
Filing: —
•
Granted: 1883-09-04
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Expires: 1900-09-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:20
CPC Classifications
C; C10; C10M; C10M125/00; C10M125/18; C10M125/10; C10M125/14; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125
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) | 1886-09-03 | 1887-03-05 | 1887-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1890-09-03 | 1891-03-05 | 1891-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1894-09-03 | 1895-03-05 | 1895-09-04 | $7700.00 | Window Closed / Lapsed |