Patent US561132A successfully refreshed from Google Patents.
US561132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thomas c
Assignee: —
•
Filing: —
•
Granted: 1896-06-02
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Expires: 1913-06-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:58
CPC Classifications
G; G02; G02B; G02B26/00; G02B26/007
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) | 1899-06-02 | 1899-12-02 | 1900-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1903-06-03 | 1903-12-03 | 1904-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1907-06-03 | 1907-12-03 | 1908-06-03 | $7700.00 | Window Closed / Lapsed |