US460223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clayton p
Assignee: —
•
Filing: —
•
Granted: 1891-09-29
•
Expires: 1908-09-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:17
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/0005; F04B39/0016; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7903
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) | 1894-09-28 | 1895-03-30 | 1895-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-09-28 | 1899-03-30 | 1899-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-09-29 | 1903-03-31 | 1903-09-30 | $7700.00 | Window Closed / Lapsed |