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US6240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spking-labtcet
Assignee: —
•
Filing: —
•
Granted: 1849-03-27
•
Expires: 1866-03-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:11
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150374; A61B5/150381; A61B5/150503; A61B5/150015; A61B5/15003; A61B5/150442
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) | 1852-03-26 | 1852-09-25 | 1853-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1856-03-26 | 1856-09-25 | 1857-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1860-03-26 | 1860-09-25 | 1861-03-27 | $7700.00 | Window Closed / Lapsed |