US1239221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of agglomerating finely-divided material.
Assignee: Rodman Chemical Co
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Filing: 1916-09-05
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Granted: 1917-09-04
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Expires: 1936-09-05
Abstract
No abstract record available.
Inventors
- 👤 Hugh Rodman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:54
CPC Classifications
A; A23; A23G; A23G3/00; A23G3/02; A23G3/20; A23G3/26; Y; Y10; Y10S; 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) | 1920-09-03 | 1921-03-05 | 1921-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-09-03 | 1925-03-05 | 1925-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-09-03 | 1929-03-05 | 1929-09-04 | $7700.00 | Window Closed / Lapsed |