Patent US469495A successfully refreshed from Google Patents.
US469495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
ziegler
Assignee: —
•
Filing: —
•
Granted: 1892-02-23
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Expires: 1909-02-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:48
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/0084; B02C18/0092; D; D21; D21B; D21B1/00; D21B1/04; D21B1/12; D21B1/30; D21B1/34; D21B1/345
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) | 1895-02-22 | 1895-08-24 | 1896-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1899-02-22 | 1899-08-24 | 1900-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1903-02-23 | 1903-08-25 | 1904-02-24 | $7700.00 | Window Closed / Lapsed |