Patent US161508A successfully refreshed from Google Patents.
US161508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in belt-couplings
Assignee: —
•
Filing: —
•
Granted: 1875-03-30
•
Expires: 1892-03-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:50
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/0004; F16B5/0008; F16B5/0028; A; A47; A47B; A47B91/00; A47B91/02; A47B91/022; A47B91/024; Y; Y10; Y10T; Y10T24/00; Y10T24/16; Y10T24/1676; Y10T403/00; Y10T403/45; Y10T403/459; Y10T403/57; Y10T403/5761
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) | 1878-03-29 | 1878-09-28 | 1879-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1882-03-29 | 1882-09-28 | 1883-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1886-03-29 | 1886-09-28 | 1887-03-30 | $7700.00 | Window Closed / Lapsed |