Patent US2947543A successfully refreshed from Google Patents.
US2947543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manure spreader for dump truck
Assignee: Individual
•
Filing: 1956-11-02
•
Granted: 1960-08-02
•
Expires: 1976-11-02
Abstract
No abstract record available.
Inventors
- 👤 Delmar H Raybould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:37
CPC Classifications
A; A01; A01C; A01C3/00; A01C3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1542093A
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US1979945A
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US1986231A
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US2252691A
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US2342942A
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US2391971A
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US2363071A
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US2514089A
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US2784656A
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US2777700A
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US2717783A
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US2779260A
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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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |