US21004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biachuitery for
Assignee: —
•
Filing: —
•
Granted: 1858-07-27
•
Expires: 1875-07-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:23
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/12
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) | 1861-07-26 | 1862-01-25 | 1862-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1865-07-26 | 1866-01-25 | 1866-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1869-07-26 | 1870-01-25 | 1870-07-27 | $7700.00 | Window Closed / Lapsed |