US3323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
wyeth
Assignee: —
•
Filing: —
•
Granted: 1843-10-28
•
Expires: 1860-10-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:37
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/28; B65G69/30; E; E21; E21F; E21F13/00; E21F13/06; E21F13/063; E21F13/065
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) | 1846-10-27 | 1847-04-28 | 1847-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1850-10-27 | 1851-04-28 | 1851-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1854-10-27 | 1855-04-28 | 1855-10-28 | $7700.00 | Window Closed / Lapsed |