US85794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved bolt-fastening- for rail-tibs
Assignee: —
•
Filing: —
•
Granted: 1869-01-12
•
Expires: 1886-01-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:44
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16B39/20; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/974; Y10S411/991; Y10S411/992
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1872-01-12 | 1872-07-13 | 1873-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1876-01-12 | 1876-07-13 | 1877-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1880-01-12 | 1880-07-13 | 1881-01-12 | $7700.00 | Window Closed / Lapsed |