Patent US441885A successfully refreshed from Google Patents.
US441885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Island
Assignee: —
•
Filing: —
•
Granted: 1890-12-02
•
Expires: 1907-12-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:17
CPC Classifications
B; B21; B21C; B21C1/00; B21C1/003; B21F; B21F19/00; B32; B32B; B32B15/00; B32B15/01; B32B15/013; C; C25; C25D; C25D5/00; C25D5/48; C25D5/50; C25D5/505; C25D7/00; C25D7/005; C25D7/06; C25D7/0607; H; H01; H01B; H01B1/00; H01B1/02; H05; H05K; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0335; H05K2201/0355; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/927; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/939; Y10S428/941; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12951; Y10T428/12986
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) | 1893-12-01 | 1894-06-02 | 1894-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-12-01 | 1898-06-02 | 1898-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-12-02 | 1902-06-03 | 1902-12-03 | $7700.00 | Window Closed / Lapsed |