US2622936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic plant for handling grains and the like granular products
Assignee: Individual
•
Filing: 1947-05-17
•
Granted: 1952-12-23
•
Expires: 1967-05-17
Abstract
No abstract record available.
Inventors
- 👤 Diebold Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:32
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE316988C
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US585804A
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US1169745A
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US1600762A
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US1880452A
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US2250285A
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US2289596A
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US2472030A
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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) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |