Patent US2561541A successfully refreshed from Google Patents.
US2561541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article transfer mechanism
Assignee: Quaker Oats Co
•
Filing: 1946-03-19
•
Granted: 1951-07-24
•
Expires: 1966-03-19
Abstract
No abstract record available.
Inventors
- 👤 Stake John Arno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:19
CPC Classifications
B; B61; B61F; B61F3/00; B61F3/02; B61F3/04; B31; B31B; B31B50/00; B31B50/02; B31B50/022; B31B50/04; B31B50/042; B31B50/044
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE318723C
Cited
US1095537A
Cited
US1264843A
Cited
US1984981A
Cited
US2408019A
Cited
US2355597A
Cited
US2335239A
Cited
US2347057A
Cited
US2441323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |