US31023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adjusting cakbiage-seat
Assignee: —
•
Filing: —
•
Granted: 1861-01-01
•
Expires: 1878-01-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:12
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/04; B60N2/10; A; A47; A47C; A47C9/00; A47C9/08; Y; Y10; Y10S; Y10S47/00; Y10S47/06
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) | 1864-01-01 | 1864-07-02 | 1865-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1868-01-01 | 1868-07-02 | 1869-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1872-01-01 | 1872-07-02 | 1873-01-01 | $7700.00 | Window Closed / Lapsed |