US82586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
beach
Assignee: —
•
Filing: —
•
Granted: 1868-09-29
•
Expires: 1885-09-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:21
CPC Classifications
F; F42; F42C; F42C15/00; F42C15/28; F42C15/29; E; E21; E21B; E21B43/00; E21B43/25; E21B43/26; E21B43/263
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) | 1871-09-29 | 1872-03-30 | 1872-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1875-09-29 | 1876-03-30 | 1876-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1879-09-29 | 1880-03-30 | 1880-09-29 | $7700.00 | Window Closed / Lapsed |