US2437117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag feeding machine with bag opening and expanding means
Assignee: Arenco AB
•
Filing: 1943-03-13
•
Granted: 1948-03-02
•
Expires: 1963-03-13
Abstract
No abstract record available.
Inventors
- 👤 Orstrom Gustaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:34
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/26; B65B43/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1125802A
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US1190898A
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US1589800A
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US1800657A
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US2182187A
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US2133367A
Cited
US2254384A
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US2307990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-02 | 1951-09-01 | 1952-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-02 | 1955-09-01 | 1956-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-02 | 1959-09-01 | 1960-03-02 | $7700.00 | Window Closed / Lapsed |