Patent US5564077A successfully refreshed from Google Patents.
Patent US276292A successfully refreshed from Google Patents.
US276292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential index for machine-tools
Assignee: —
•
Filing: —
•
Granted: 1883-04-24
•
Expires: 1900-04-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:02
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/32; F16F15/36; F16B; F16B2200/00; F16B2200/20; F16B2200/30; Y; Y10; Y10S; Y10S33/00; Y10S33/08; Y10S403/00; Y10S403/08; Y10T; Y10T24/00; Y10T24/10; Y10T279/00; Y10T279/14; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32131; Y10T403/32155; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/32451; Y10T403/32459; Y10T403/70; Y10T403/7018; Y10T403/7021; Y10T403/7047; Y10T403/7049; Y10T409/00; Y10T409/30; Y10T409/30868; Y10T409/308792; Y10T409/308848; Y10T74/00; Y10T74/21; Y10T74/211; Y10T74/2114; Y10T74/2142; Y10T74/2151
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) | 1886-04-23 | 1886-10-23 | 1887-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1890-04-23 | 1890-10-23 | 1891-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1894-04-23 | 1894-10-23 | 1895-04-24 | $7700.00 | Window Closed / Lapsed |