US27957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
•
Granted: 1860-04-24
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Expires: 1877-04-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:25
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/005; Y; Y10; Y10S; Y10S128/00; Y10S128/20
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) | 1863-04-24 | 1863-10-24 | 1864-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1867-04-24 | 1867-10-24 | 1868-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1871-04-24 | 1871-10-24 | 1872-04-24 | $7700.00 | Window Closed / Lapsed |