US2676719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacker and sweep-rake attachment for tractors
Assignee: WAGNER IRON WORKS
•
Filing: 1950-07-24
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Granted: 1954-04-27
•
Expires: 1970-07-24
Abstract
No abstract record available.
Inventors
- 👤 Adolph A Wagner
- 👤 Arnold J Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:37
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2409302A
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US2542150A
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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) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |