US3513560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method in drying of hydrous solid material and the subsequent heat treatment of the dried material
Assignee: Celleco AB
•
Filing: 1968-03-04
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Granted: 1970-05-26
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Expires: 1988-03-04
Abstract
No abstract record available.
Inventors
- 👤 Charles Louis Viel Lamare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:22
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; C; C02; C02F; C02F11/00; C02F11/12; C02F11/13; F; F26; F26B; F26B3/00; F26B3/02; F26B3/06; F26B3/08; F26B3/088; F28; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/16
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) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |