US3225926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating sieves
Assignee: Preparation Industrielle des Combustibles SA
•
Filing: 1962-09-05
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Granted: 1965-12-28
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Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Albert W Dostatni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:31
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/28; B07B1/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1456801A
Cited
US1686322A
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US1983676A
Cited
GB518185A
Cited
US2329773A
Cited
DE931218C
Cited
US3070230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |