US2561002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor-mounted broadcast seeder
Assignee: Individual
•
Filing: 1947-08-20
•
Granted: 1951-07-17
•
Expires: 1967-08-20
Abstract
No abstract record available.
Inventors
- 👤 Charles E Weeks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:48
CPC Classifications
A; A01; A01C; A01C17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1753811A
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US2159670A
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US2234343A
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US2192802A
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US2187448A
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US2334376A
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US2451128A
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US2519243A
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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) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |