US3532531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating method with cooled particles from a fluidized bed
Assignee: YUBOSCOPE Inc
•
Filing: 1966-06-20
•
Granted: 1970-10-06
•
Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Donald N Stallard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:12
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/22; B05D7/222; B05D1/00; B05D1/002; B05D2401/00; B05D2401/30; B05D2401/32; B05D3/00; B05D3/02; B05D3/0218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3137781A
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US3207618A
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US3110626A
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US3202533A
Cited
US3376152A
Cited
US3279936A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |