US3489320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for spreading liquid manure
Assignee: Lely Ltd
•
Filing: 1966-07-05
•
Granted: 1970-01-13
•
Expires: 1986-07-05
Abstract
No abstract record available.
Inventors
- 👤 Ian Archie Mackinnon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:49
CPC Classifications
A; A01; A01C; A01C23/00; A01C23/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB131557A
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GB722617A
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GB744780A
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US2738901A
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GB813512A
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US2957534A
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US2975978A
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US3040785A
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US2981552A
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US3340890A
Cited
US3263865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |