US77819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Charles krbbs
Assignee: —
•
Filing: —
•
Granted: 1868-05-12
•
Expires: 1885-05-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:54
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/113; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/896; Y10T408/8973
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) | 1871-05-12 | 1871-11-11 | 1872-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1875-05-12 | 1875-11-11 | 1876-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1879-05-12 | 1879-11-11 | 1880-05-12 | $7700.00 | Window Closed / Lapsed |