US689074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding-door latch.
Assignee: NATHAN B HELM
•
Filing: 1901-07-22
•
Granted: 1901-12-17
•
Expires: 1921-07-22
Abstract
No abstract record available.
Inventors
- 👤 Henry L Ferris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:08
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/0007; E05F; E05F11/00; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0848; Y10T292/0849; Y10T292/086; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1089
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) | 1904-12-16 | 1905-06-17 | 1905-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-12-16 | 1909-06-17 | 1909-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-12-16 | 1913-06-17 | 1913-12-17 | $7700.00 | Window Closed / Lapsed |