Patent US2469649A successfully refreshed from Google Patents.
US2469649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stirring device
Assignee: Individual
•
Filing: 1947-03-20
•
Granted: 1949-05-10
•
Expires: 1967-03-20
Abstract
No abstract record available.
Inventors
- 👤 Hunter William Wood
- 👤 Mcnab Ian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:04
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/06; B01; B01F; B01F27/00; B01F27/80; B01F27/82; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |