Patent US2897643A successfully refreshed from Google Patents.
US2897643A
Expired / Lapsed
US
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Apparatus for applying closures to flexible containers
Assignee: Standard Packaging Corp
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Filing: 1956-03-29
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Granted: 1959-08-04
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Expires: 1976-03-29
Abstract
No abstract record available.
Inventors
- 👤 Byrd Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:36
CPC Classifications
B; B65; B65B; B65B57/00; B65B57/02; B65B57/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1765030A
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US1874353A
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US1861551A
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US1919060A
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US2355385A
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US2689677A
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US2643883A
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US2699281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |