Patent US2594207A successfully refreshed from Google Patents.
US2594207A
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US
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Bag closure apparatus
Assignee: Bemis Brothers Bag Co
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Filing: 1949-01-07
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Granted: 1952-04-22
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Expires: 1969-01-07
Abstract
No abstract record available.
Inventors
- 👤 Robert E Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:39
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/04; B65B51/07; D; D05; D05B; D05B13/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19963; Y10T74/19967
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1840232A
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US1884032A
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US1780005A
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US1948796A
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US1989943A
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US2260191A
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US2314431A
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US2336957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |