US3400181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing carbonized shaped cellulose crystallite aggregates
Assignee: FMC Corp
•
Filing: 1965-02-26
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Granted: 1968-09-03
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Expires: 1985-02-26
Abstract
No abstract record available.
Inventors
- 👤 Orlando A Battista
- 👤 James A Robertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:56
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/524; B; B01; B01D; B01D46/00; B01D46/30; B01J; B01J27/00; B01J27/20; B01J27/22; C01; C01B; C01B32/00; C01B32/30; C01B32/354; C01B32/382; C01B32/384; C04B35/01; C04B35/26; D; D01; D01F; D01F9/00; D01F9/08; D01F9/12; D01F9/14; D01F9/16; G; G21; G21C; G21C5/00; G21C5/12; G21C5/126; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |