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US2549233A
Expired / Lapsed
US
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Strap-suspended hopper containing a second hopper, with means to vary the flow of seed from a discharge common to both hoppers
Assignee: Individual
•
Filing: 1947-04-01
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Granted: 1951-04-17
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Expires: 1967-04-01
Abstract
No abstract record available.
Inventors
- 👤 Virgil R Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:20
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/02
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) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |