Patent US2484267A successfully refreshed from Google Patents.
US2484267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flue cleaning implement with blade flexibly connected to shaft
Assignee: Individual
•
Filing: 1946-06-06
•
Granted: 1949-10-11
•
Expires: 1966-06-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Bower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:18
CPC Classifications
F; F23; F23J; F23J3/00; F23J3/02; F23J3/026
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US158481A
Cited
US1013410A
Cited
US1081488A
Cited
US1097423A
Cited
US1154369A
Cited
US1544635A
Cited
US1685399A
Cited
US1674983A
Cited
US2158577A
Cited
US2234504A
Cited
US2236123A
Cited
US2361395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |