US3268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strong
Assignee: —
•
Filing: —
•
Granted: 1843-09-14
•
Expires: 1860-09-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:45
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/001; B24B19/002
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) | 1846-09-13 | 1847-03-15 | 1847-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1850-09-13 | 1851-03-15 | 1851-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1854-09-13 | 1855-03-15 | 1855-09-14 | $7700.00 | Window Closed / Lapsed |