US2930458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corn crib
Assignee: Individual
•
Filing: 1954-04-13
•
Granted: 1960-03-29
•
Expires: 1974-04-13
Abstract
No abstract record available.
Inventors
- 👤 Owen C Siebring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:18
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/74; B65D88/741
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US472137A
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US593266A
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US1732400A
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US1841360A
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DE863253C
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FR1033087A
Cited
US2654917A
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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) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |