Patent US1115193A successfully refreshed from Google Patents.
US1115193A
Expired / Lapsed
US
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Apparatus for removing flue dust or dirt and the like.
Assignee: Individual
•
Filing: 1914-04-14
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Granted: 1914-10-27
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Expires: 1934-04-14
Abstract
No abstract record available.
Inventors
- 👤 William George Hay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:43
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/40; B65G53/46; B65G53/4691
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) | 1917-10-26 | 1918-04-27 | 1918-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-10-26 | 1922-04-27 | 1922-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-10-26 | 1926-04-27 | 1926-10-27 | $7700.00 | Window Closed / Lapsed |