US2478079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mud mixer
Assignee: ETHEL HABERIC
•
Filing: 1948-05-24
•
Granted: 1949-08-02
•
Expires: 1968-05-24
Abstract
No abstract record available.
Inventors
- 👤 Jesse W Beasley
- 👤 Lawrence B Haberle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:47
CPC Classifications
E; E21; E21B; E21B21/00; E21B21/06; E21B21/062; B; B01; B01F; B01F35/00; B01F35/71; B01F35/717; B01F35/7173; B01F35/71731
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |