Patent US408835A successfully refreshed from Google Patents.
US408835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Henry grafton
Assignee: —
•
Filing: —
•
Granted: 1889-08-13
•
Expires: 1906-08-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:51
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0876; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7018; Y10T403/7021; Y10T403/7024
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) | 1892-08-12 | 1893-02-11 | 1893-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1896-08-12 | 1897-02-11 | 1897-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1900-08-13 | 1901-02-12 | 1901-08-14 | $7700.00 | Window Closed / Lapsed |