US835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X i i i x
Assignee: —
•
Filing: —
•
Granted: 1838-07-12
•
Expires: 1855-07-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:46
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/04; A47J37/041
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) | 1841-07-11 | 1842-01-10 | 1842-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1845-07-11 | 1846-01-10 | 1846-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1849-07-11 | 1850-01-10 | 1850-07-12 | $7700.00 | Window Closed / Lapsed |