US2270341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating granular materials
Assignee: Harper J Ransburg Co Inc
•
Filing: 1939-12-02
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Granted: 1942-01-20
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Expires: 1959-12-02
Abstract
No abstract record available.
Inventors
- 👤 Harold P Ransburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:51
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/02; B05D1/04; B05D1/045; B05B; B05B5/00; B05B5/08; B05B5/081; B05D3/00; B05D3/14; B05D3/141; Y; Y10; Y10S; Y10S159/00; Y10S159/26
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) | 1945-01-19 | 1945-07-21 | 1946-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-01-19 | 1949-07-21 | 1950-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-01-19 | 1953-07-21 | 1954-01-20 | $7700.00 | Window Closed / Lapsed |