Patent US3416514A successfully refreshed from Google Patents.
US3416514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fireplace ash remover
Assignee: WILLIAM R KLEMME
•
Filing: 1967-04-17
•
Granted: 1968-12-17
•
Expires: 1987-04-17
Abstract
No abstract record available.
Inventors
- 👤 William R Klemme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:42
CPC Classifications
F; F24; F24B; F24B1/00; F24B1/18; F24B1/191; F24B1/1915; A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/38; A47L9/00; A47L9/10; A47L9/18; A47L9/183
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE235971C
Cited
US1322361A
Cited
US1970674A
Cited
US1887768A
Cited
US2013498A
Cited
US2529965A
Cited
US3353996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |