Patent US2640638A successfully refreshed from Google Patents.
US2640638A
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US
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Apparatus for packaging commodities with trough member supported between plates
Assignee: QUIK PAC DIVISION OF H WESLEY
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Filing: 1949-05-17
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Granted: 1953-06-02
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Expires: 1969-05-17
Abstract
No abstract record available.
Inventors
- 👤 Charles T Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:53
CPC Classifications
B; B65; B65B; B65B67/00; B65B67/02; B65B67/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320335A
Cited
US666705A
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GB251115A
Cited
US1830645A
Cited
US2080099A
Cited
GB547609A
Cited
US2317292A
Cited
US2507996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |