US2780876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying bulk grain
Assignee: Individual
•
Filing: 1955-03-31
•
Granted: 1957-02-12
•
Expires: 1975-03-31
Abstract
No abstract record available.
Inventors
- 👤 William A Inman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:44
CPC Classifications
F; F26; F26B; F26B19/00; F26B19/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1175545A
Cited
US2379094A
Cited
US2704021A
Cited
FR1048018A
Cited
US2681811A
Cited
US2714258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-12 | 1960-08-13 | 1961-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-12 | 1964-08-13 | 1965-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-12 | 1968-08-13 | 1969-02-12 | $7700.00 | Window Closed / Lapsed |