Patent US268491A successfully refreshed from Google Patents.
US268491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
hubbell
Assignee: —
•
Filing: —
•
Granted: 1882-12-05
•
Expires: 1899-12-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:06
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; B07B1/4609; B07B1/469
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) | 1885-12-04 | 1886-06-05 | 1886-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-12-04 | 1890-06-05 | 1890-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-12-04 | 1894-06-05 | 1894-12-05 | $7700.00 | Window Closed / Lapsed |