US85661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Charles h
Assignee: —
•
Filing: —
•
Granted: 1869-01-05
•
Expires: 1886-01-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:47
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/10; B21D43/11; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4501; Y10T83/4503; Y10T83/4511; Y10T83/4539; Y10T83/4541; Y10T83/4549; Y10T83/4551; Y10T83/869; Y10T83/8696; Y10T83/8699; Y10T83/8788
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) | 1872-01-05 | 1872-07-06 | 1873-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1876-01-05 | 1876-07-06 | 1877-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1880-01-05 | 1880-07-06 | 1881-01-05 | $7700.00 | Window Closed / Lapsed |