US491793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch and lock
Assignee: —
•
Filing: —
•
Granted: 1893-02-14
•
Expires: 1910-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:42
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/005; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0976; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/5465; Y10T70/5469; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/778; Y10T70/7791; Y10T70/7842; Y10T70/787
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) | 1896-02-14 | 1896-08-15 | 1897-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-02-14 | 1900-08-16 | 1901-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-02-15 | 1904-08-16 | 1905-02-15 | $7700.00 | Window Closed / Lapsed |