Patent US408992A successfully refreshed from Google Patents.
US408992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alarm
Assignee: —
•
Filing: —
•
Granted: 1889-08-13
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Expires: 1906-08-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:04
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/0001; E05B47/0002; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5128; Y10T70/5137; Y10T70/5142
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) | 1892-08-12 | 1893-02-11 | 1893-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1896-08-12 | 1897-02-11 | 1897-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1900-08-13 | 1901-02-12 | 1901-08-14 | $7700.00 | Window Closed / Lapsed |