US527944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch-lock
Assignee: —
•
Filing: —
•
Granted: 1894-10-23
•
Expires: 1911-10-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:06
CPC Classifications
E; E05; E05B; E05B55/00; Y; Y10; Y10S; Y10S292/00; Y10S292/23; Y10S292/24; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0994; Y10T292/68; Y10T292/696; Y10T292/702; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/5465; Y10T70/5478; Y10T70/5491; Y10T70/80; Y10T70/8432; Y10T70/8622; Y10T70/8892
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) | 1897-10-22 | 1898-04-23 | 1898-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-10-23 | 1902-04-24 | 1902-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-10-23 | 1906-04-24 | 1906-10-24 | $7700.00 | Window Closed / Lapsed |