US705753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flue-cleaner.
Assignee: SHERWOOD MANUFACTURING Co
•
Filing: 1900-10-26
•
Granted: 1902-07-29
•
Expires: 1920-10-26
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:23
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/049; B08B9/051
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) | 1905-07-28 | 1906-01-27 | 1906-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-07-28 | 1910-01-27 | 1910-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-07-28 | 1914-01-27 | 1914-07-29 | $7700.00 | Window Closed / Lapsed |