Patent US391143A successfully refreshed from Google Patents.
US391143A
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US
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Sewell t
Assignee: —
•
Filing: —
•
Granted: 1888-10-16
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Expires: 1905-10-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:49
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/28; E03C1/284; E03C1/288; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4463; Y10T137/4471; Y10T137/4478; Y10T137/4501; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791; Y10T137/8158; Y10T137/8359
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) | 1891-10-16 | 1892-04-16 | 1892-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1895-10-16 | 1896-04-16 | 1896-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1899-10-16 | 1900-04-17 | 1900-10-17 | $7700.00 | Window Closed / Lapsed |