Patent US32057A successfully refreshed from Google Patents.
Patent US145674A successfully refreshed from Google Patents.
Patent US508677A successfully refreshed from Google Patents.
US508677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Henry a
Assignee: —
•
Filing: —
•
Granted: 1893-11-14
•
Expires: 1910-11-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:15
CPC Classifications
A; A61; A61C; A61C9/00; A61C9/0006
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) | 1896-11-13 | 1897-05-15 | 1897-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-11-14 | 1901-05-16 | 1901-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-11-14 | 1905-05-16 | 1905-11-15 | $7700.00 | Window Closed / Lapsed |