US2970423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pick-up baler
Assignee: Gebr WELGER MASCHINENFABRIK
•
Filing: 1957-08-07
•
Granted: 1961-02-07
•
Expires: 1977-08-07
Abstract
No abstract record available.
Inventors
- 👤 Wenzel Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:40
CPC Classifications
A; A01; A01F; A01F15/00; A01F15/08; A01F15/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735533A
Cited
GB423692A
Cited
GB447365A
Cited
US2256829A
Cited
US2499615A
Cited
US2487938A
Cited
US2633691A
Cited
GB688154A
Cited
US2775339A
Cited
GB757969A
Cited
US2725009A
Cited
US2839981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |