US2937844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Potato bagging machine
Assignee: Individual
•
Filing: 1957-01-11
•
Granted: 1960-05-24
•
Expires: 1977-01-11
Abstract
No abstract record available.
Inventors
- 👤 Earl H Engvall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:11
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/30; B65B1/32; G; G01; G01G; G01G13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US825864A
Cited
US834446A
Cited
US895289A
Cited
US984537A
Cited
US1605700A
Cited
US2266906A
Cited
US2626042A
Cited
US2726061A
Cited
US2850255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |