Patent US1395480A successfully refreshed from Google Patents.
US1395480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agitator
Assignee: Individual
•
Filing: 1921-03-22
•
Granted: 1921-11-01
•
Expires: 1941-03-22
Abstract
No abstract record available.
Inventors
- 👤 William A Butchart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:15
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/112; B01F27/1125; B01F27/11252; B01F27/60; B01F27/70
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) | 1924-10-31 | 1925-05-02 | 1925-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-10-31 | 1929-05-02 | 1929-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-10-31 | 1933-05-02 | 1933-11-01 | $7700.00 | Window Closed / Lapsed |