US2595226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer having dust separating and removal means
Assignee: Pharmacia and Upjohn Co
•
Filing: 1948-01-22
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Granted: 1952-05-06
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Expires: 1968-01-22
Abstract
No abstract record available.
Inventors
- 👤 Leonard T Cookson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:52
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/18; B65G69/185; B65G69/186; B65B; B65B5/00; B65B5/10; B65B5/101; B65B5/103; H; H05; H05F; H05F3/00; H05F3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US742377A
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US968984A
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US998000A
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US1085921A
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US1248339A
Cited
FR675629A
Cited
GB358329A
Cited
US2264683A
Cited
US2328568A
Cited
US2324823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |