US2551460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying barn for agricultural crops
Assignee: International Motors LLC
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Filing: 1949-05-06
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Granted: 1951-05-01
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Expires: 1969-05-06
Abstract
No abstract record available.
Inventors
- 👤 Walter R Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:09
CPC Classifications
F; F26; F26B; F26B9/00; F26B9/10; F26B9/103; A; A01; A01F; A01F25/00; F26B25/00; F26B25/06; F26B25/08; F26B25/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |