Patent US3358709A successfully refreshed from Google Patents.
Patent US2501805A successfully refreshed from Google Patents.
US2501805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary mixer
Assignee: Individual
•
Filing: 1946-05-18
•
Granted: 1950-03-28
•
Expires: 1966-05-18
Abstract
No abstract record available.
Inventors
- 👤 Frank B Yingling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:59
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/06; B01; B01F; B01F27/00; B01F27/80; B01F27/95; B01F27/951; B01F27/05; B01F27/09; B01F27/091; B01F27/23; B01F27/232; B01F27/2322; B01F27/2324; Y; Y10; Y10S; Y10S366/00; Y10S366/605
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US19610A
Cited
US374706A
Cited
US634999A
Cited
US901465A
Cited
US1156409A
Cited
US1612281A
Cited
US1752582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |