US2742826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and means for producing machine-made tubular bags with gusset-folded sides
Assignee: John Dickinson and Co Ltd
•
Filing: 1951-02-28
•
Granted: 1956-04-24
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Expires: 1971-02-28
Abstract
No abstract record available.
Inventors
- 👤 Randall John William
- 👤 Hempstead Hemel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:40
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)
US155563A
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US410122A
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US670761A
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US1003658A
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US1053655A
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US1753354A
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US1816361A
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US1792388A
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US2054486A
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US2149872A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |