US450412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Island
Assignee: —
•
Filing: —
•
Granted: 1891-04-14
•
Expires: 1908-04-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:35
CPC Classifications
C; C22; C22C; C22C49/00; B; B23; B23K; B23K31/00; B23K31/02; B21; B21J; B21J1/00; B23K31/027; A; A44; A44C; A44C27/00; A44C27/001; A44C27/002; B23K2101/00; B23K2101/04; B23K2101/06; B23K2101/18; B23K2103/00; B23K2103/08; B23K2103/18; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/927; Y10T; Y10T29/00; Y10T29/49; Y10T29/49588; Y10T29/49597; Y10T428/00; Y10T428/12; Y10T428/12333; Y10T428/12354; Y10T428/12486; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12868
Claims Analysis
Total Claims: 0
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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) | 1894-04-13 | 1894-10-13 | 1895-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-04-13 | 1898-10-13 | 1899-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-04-14 | 1902-10-14 | 1903-04-15 | $7700.00 | Window Closed / Lapsed |