Patent US2631826A successfully refreshed from Google Patents.
US2631826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sediment stirrer
Assignee: Individual
•
Filing: 1950-08-24
•
Granted: 1953-03-17
•
Expires: 1970-08-24
Abstract
No abstract record available.
Inventors
- 👤 Wallace P Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:38
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/80; B01F27/88; A; A45; A45D; A45D34/00; A45D34/04; A45D34/042; A45D34/045; A45D34/048; B01F33/00; B01F33/50; B01F33/501; B01F33/5011; B43; B43L; B43L25/00; B01F35/00; B01F35/30; B01F35/32; B01F35/32005; B01F35/3202; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18752; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19721
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE125722C
Cited
US1213561A
Cited
US1768012A
Cited
US2007850A
Cited
US2449818A
Cited
US2481352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |