US2168532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pelleting of materials
Assignee: TRADERS OIL MILL Co
•
Filing: 1937-08-10
•
Granted: 1939-08-08
•
Expires: 1957-08-10
Abstract
No abstract record available.
Inventors
- 👤 Charles W Mcmath
- 👤 Jr Logan Chester Roots
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:51
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/20; A; A23; A23P; A23P30/00; A23P30/20; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S425/00; Y10S425/101
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) | 1942-08-07 | 1943-02-06 | 1943-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-08-07 | 1947-02-06 | 1947-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-08-07 | 1951-02-06 | 1951-08-08 | $7700.00 | Window Closed / Lapsed |