US423781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bebgeb
Assignee: —
•
Filing: —
•
Granted: 1890-03-18
•
Expires: 1907-03-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:34
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23979
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) | 1893-03-17 | 1893-09-16 | 1894-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-03-17 | 1897-09-16 | 1898-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-03-18 | 1901-09-17 | 1902-03-19 | $7700.00 | Window Closed / Lapsed |