Patent US2737860A successfully refreshed from Google Patents.
US2737860A
Expired / Lapsed
US
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Method of manufacturing tubular bags, envelopes, and like containers with folded ends
Assignee: John Dickinson and Co Ltd
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Filing: 1952-07-02
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Granted: 1956-03-13
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Expires: 1972-07-02
Abstract
No abstract record available.
Inventors
- 👤 Randall John William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:09
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/26; B31B70/262; B31B70/266; B31B2155/00; B31B2155/001; B31B2155/0012; B31B2160/00; B31B2160/10; B31B70/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1027168A
Cited
US1988265A
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US1988462A
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US2054486A
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US2012357A
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US2062265A
Cited
US2061438A
Cited
US2114855A
Cited
US2260225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |