US2994388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Farm implement
Assignee: Blair Manufacturing Co Inc
•
Filing: 1958-03-24
•
Granted: 1961-08-01
•
Expires: 1978-03-24
Abstract
No abstract record available.
Inventors
- 👤 Kelly P Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:38
CPC Classifications
A; A01; A01B; A01B49/00; A01B49/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US126815A
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US272454A
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US2736252A
Cited
US847404A
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US876748A
Cited
US1626572A
Cited
US2336152A
Cited
US2591028A
Cited
US2690110A
Cited
US2751834A
Cited
US2800758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |