US381893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safe look
Assignee: —
•
Filing: —
•
Granted: 1888-04-24
•
Expires: 1905-04-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:22
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/08; Y; Y10; Y10S; Y10S70/00; Y10S70/43; Y10T; Y10T292/00; Y10T292/93; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5319; Y10T70/5336; Y10T70/70; Y10T70/7153; Y10T70/735; Y10T70/7356; Y10T70/7362; Y10T70/7367; Y10T70/7373; Y10T70/80; Y10T70/8838
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) | 1891-04-24 | 1891-10-24 | 1892-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1895-04-24 | 1895-10-24 | 1896-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1899-04-24 | 1899-10-24 | 1900-04-25 | $7700.00 | Window Closed / Lapsed |