US3495654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for setting in motion powdery materials forming a fluidized bed
Assignee: Heurtey SA
•
Filing: 1967-01-12
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Granted: 1970-02-17
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Expires: 1987-01-12
Abstract
No abstract record available.
Inventors
- 👤 Isidore Jacubowiez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:40
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1836; B01J8/0015; B01J8/0025; B01J8/24; B01J8/26; C; C21; C21D; C21D1/00; C21D1/34; C21D1/53; F; F28; F28D; F28D13/00; F28D19/00; F28D19/02; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00115; B01J2208/00132; B01J2208/00141; B01J2208/00504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2550722A
Cited
US2751756A
Cited
US2729428A
Cited
US2928184A
Cited
US3206865A
Cited
US3273873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |