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US263349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flue-cleaner
Assignee: —
•
Filing: —
•
Granted: 1882-08-29
•
Expires: 1899-08-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:52
CPC Classifications
A; A62; A62D; A62D3/00; A62D3/30; A62D3/37; B; B08; B08B; B08B2230/00; B08B2230/01
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) | 1885-08-28 | 1886-02-27 | 1886-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-08-28 | 1890-02-27 | 1890-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-08-28 | 1894-02-27 | 1894-08-29 | $7700.00 | Window Closed / Lapsed |