US3529359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluidized drying apparatus
Assignee: Okawara Mfg Co Ltd
•
Filing: 1968-08-30
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Granted: 1970-09-22
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Expires: 1988-08-30
Abstract
No abstract record available.
Inventors
- 👤 Masaichi Fukuyo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:54
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/02; F26B3/06; F26B3/08; F26B3/092; F26B3/0926; B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/38; B01J8/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2330545A
Cited
US2719112A
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US3140862A
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US3040439A
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FR1293023A
Cited
US3192644A
Cited
US3282577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |