Patent US2425581A successfully refreshed from Google Patents.
US2425581A
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US
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Stretchwrapping device
Assignee: Wingfoot Corp
•
Filing: 1945-09-05
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Granted: 1947-08-12
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Expires: 1965-09-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:11
CPC Classifications
B; B65; B65B; B65B11/00; B65B11/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US398015A
Cited
US867176A
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US1805306A
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US2047486A
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US2232783A
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US2301106A
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US2312049A
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US2289668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-11 | 1951-02-10 | 1951-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-11 | 1955-02-10 | 1955-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-11 | 1959-02-10 | 1959-08-12 | $7700.00 | Window Closed / Lapsed |