US2162823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing colloidal suspensions of metals
Assignee: Motors Liquidation Co
•
Filing: 1936-10-08
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Granted: 1939-06-20
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Expires: 1956-10-08
Abstract
No abstract record available.
Inventors
- 👤 Dale M Phillippi
- 👤 James E Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:57
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/0004; B01J13/0043; B22; B22F; B22F1/00; B22F1/05; B22F1/054; B22F1/0545; B82; B82Y; B82Y30/00; B22F2998/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-06-19 | 1942-12-19 | 1943-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-19 | 1946-12-19 | 1947-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-19 | 1950-12-19 | 1951-06-20 | $7700.00 | Window Closed / Lapsed |