US2572068A
Expired / Lapsed
US
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Method of preparing coated particle compositions
Assignee: IMPACT MIXING CORP
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Filing: 1948-05-13
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Granted: 1951-10-23
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Expires: 1968-05-13
Abstract
No abstract record available.
Inventors
- 👤 Sommer Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:10
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/006; B01F; B01F27/00; B01F27/60; B01F27/62; B01F27/70; B01F27/701; B01F27/702; B01F33/00; B01F33/80; B01F33/836; B01F33/8363; B01F35/00; B01F35/71; B01F35/717; B01F35/7179; B29; B29B; B29B7/00; B29B7/80; B29B7/88; B29B7/94; B29B7/945; C; C04; C04B; C04B20/00; C04B20/10; E; E01; E01C; E01C7/00; E01C7/08; E01C7/18; B01F23/00; B01F23/50; B01F23/565; B29K; B29K2503/00; B29K2503/04; B29K2503/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2445928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-22 | 1955-04-23 | 1955-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-22 | 1959-04-23 | 1959-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-22 | 1963-04-23 | 1963-10-23 | $7700.00 | Window Closed / Lapsed |