US1601898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Granular product and method of producing same
Assignee: Individual
•
Filing: 1925-07-09
•
Granted: 1926-10-05
•
Expires: 1945-07-09
Abstract
No abstract record available.
Inventors
- 👤 Roy E Wiley
- 👤 Carl E Mensing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:10
CPC Classifications
C; C01; C01D; C01D1/00; C01D1/04; C01D1/44; B; B01; B01J; B01J2/00; B01J2/02; B01J2/04; Y; Y10; Y10S; Y10S159/00; Y10S159/34
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) | 1929-10-04 | 1930-04-05 | 1930-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-10-04 | 1934-04-05 | 1934-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-10-04 | 1938-04-05 | 1938-10-05 | $7700.00 | Window Closed / Lapsed |