US2471487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer
Assignee: Individual
•
Filing: 1945-08-20
•
Granted: 1949-05-31
•
Expires: 1965-08-20
Abstract
No abstract record available.
Inventors
- 👤 Axel G Granath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:46
CPC Classifications
B; B02; B02C; B02C15/00; B02C15/14; B01; B01F; B01F27/00; B01F27/80; B01F27/82; B01F35/00; B01F35/45; B01F35/451; C; C06; C06B; C06B21/00; C06B21/0008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US428134A
Cited
US885781A
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US1337333A
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US1457907A
Cited
US1533409A
Cited
US1812559A
Cited
US1926083A
Cited
US2007481A
Cited
US2239029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |