US2962954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aeration apparatus for storage bins
Assignee: Individual
•
Filing: 1957-11-25
•
Granted: 1960-12-06
•
Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Venard C Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:38
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/74; B65D88/742; F; F24; F24F; F24F7/00; F24F7/04; F24F7/06; F24F7/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US825532A
Cited
US1638738A
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US1766742A
Cited
US2126107A
Cited
US2316634A
Cited
US2645991A
Cited
FR1116931A
Cited
FR1134263A
Cited
US2887031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |