US8964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Henry blakely
Assignee: —
•
Filing: —
•
Granted: 1852-05-25
•
Expires: 1869-05-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:26
CPC Classifications
E; E05; E05B; E05B21/00; Y; Y10; Y10S; Y10S29/00; Y10S29/03; Y10S70/00; Y10S70/01; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7537; Y10T70/7542; Y10T70/7548; Y10T70/7729; Y10T70/778; Y10T70/7791; Y10T70/7881; Y10T70/7915; Y10T70/7932
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) | 1855-05-25 | 1855-11-24 | 1856-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1859-05-25 | 1859-11-24 | 1860-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1863-05-25 | 1863-11-24 | 1864-05-25 | $7700.00 | Window Closed / Lapsed |