Patent US2896619A successfully refreshed from Google Patents.
US411161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating life-line
Assignee: —
•
Filing: —
•
Granted: 1889-09-17
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Expires: 1906-09-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:52
CPC Classifications
D; D04; D04C; D04C1/00; D04C1/06; D04C1/12; D07; D07B; D07B1/00; D07B1/20; D07B2201/00; D07B2201/10; D07B2201/1012; D07B2201/102; D07B2201/1096; D07B2201/20; D07B2201/2047; D07B2201/2052; D07B2201/2064
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) | 1892-09-16 | 1893-03-18 | 1893-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1896-09-16 | 1897-03-18 | 1897-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1900-09-17 | 1901-03-19 | 1901-09-18 | $7700.00 | Window Closed / Lapsed |