Patent US2991051A successfully refreshed from Google Patents.
US2991051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agitator paddle
Assignee: Individual
•
Filing: 1958-11-13
•
Granted: 1961-07-04
•
Expires: 1978-11-13
Abstract
No abstract record available.
Inventors
- 👤 David W Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:39
CPC Classifications
B; B24; B24B; B24B57/00; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/112; B01F27/1125; Y; Y10; Y10S; Y10S241/00; Y10S241/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE63906C
Cited
CA506322A
Cited
US906836A
Cited
US912085A
Cited
US1430070A
Cited
GB517340A
Cited
US2493049A
Cited
US2788197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |