US2569369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dusting device
Assignee: Individual
•
Filing: 1945-03-29
•
Granted: 1951-09-25
•
Expires: 1965-03-29
Abstract
No abstract record available.
Inventors
- 👤 Henry E Brandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:33
CPC Classifications
A; A01; A01M; A01M9/00; A01M9/0007; B; B05; B05B; B05B7/00; B05B7/14; B05B7/1481; B05B7/1486; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1021015A
Cited
GB208909A
Cited
US1715986A
Cited
US1877778A
Cited
US2061379A
Cited
US2068871A
Cited
US2137526A
Cited
US2086696A
Cited
US2187376A
Cited
US2341036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |