US3458393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified colloidal chrysotile and method of preparing same
Assignee: FMC Corp
•
Filing: 1968-01-31
•
Granted: 1969-07-29
•
Expires: 1988-01-31
Abstract
No abstract record available.
Inventors
- 👤 Orlando A Battista
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:06
CPC Classifications
C; C04; C04B; C04B30/00; C01; C01B; C01B33/00; C01B33/20; C01B33/22; C10; C10M; C10M7/00; C10M2201/00; C10M2201/10; C10M2201/102; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2229/00; C10M2229/04; C10M2229/043; C10M2229/044; C10N; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |