Patent US844989A successfully refreshed from Google Patents.
US844989A
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Deflocculated graphite and process of deflocculation thereof.
Assignee: Individual
•
Filing: 1906-12-10
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Granted: 1907-02-19
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Expires: 1926-12-10
Abstract
No abstract record available.
Inventors
- 👤 Edward Goodrich Acheson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:47
CPC Classifications
C; C10; C10M; C10M129/00; C10M129/02; C10M129/26; C10M129/48; C10M129/54; C10M125/00; C10M125/02; C10M125/14; C10M2201/00; C10M2201/04; C10M2201/041; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06; Y10S516/901
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) | 1910-02-18 | 1910-08-20 | 1911-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-02-18 | 1914-08-20 | 1915-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-02-18 | 1918-08-20 | 1919-02-19 | $7700.00 | Window Closed / Lapsed |