US2672377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platform attachment for tractors
Assignee: WAGNER IRON WORKS
•
Filing: 1950-03-10
•
Granted: 1954-03-16
•
Expires: 1970-03-10
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Werner
- 👤 Adolph A Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:25
CPC Classifications
B; B66; B66F; B66F11/00; B66F11/04; B66F11/044; B66F9/00; B66F9/06; B66F9/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2388241A
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US2372120A
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US2391224A
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US2431589A
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US2500815A
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US2468378A
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US2489629A
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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) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |