Patent US2827183A successfully refreshed from Google Patents.
US2827183A
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Tractor attachment boom with laterally swingable end portion
Assignee: WAGNER IRON WORKS
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Filing: 1954-01-19
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Granted: 1958-03-18
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Expires: 1974-01-19
Abstract
No abstract record available.
Inventors
- 👤 Adolph A Wagner
- 👤 Arnold J Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:29
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/32; E02F3/307; E02F3/34; E02F3/3417; E02F3/358; E02F3/96
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2411498A
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US2660816A
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US2674500A
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US2622749A
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US2599991A
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US2646182A
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US2742165A
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US2717091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |