Patent US6870538B2 successfully refreshed from Google Patents.
US3069978A
Expired / Lapsed
US
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Method of making bags
Assignee: Bemis Brothers Bag Co
•
Filing: 1958-06-06
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Granted: 1962-12-25
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Expires: 1978-06-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur D Hoeppner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:55
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/74; B31B70/86; B31B70/864; B31B70/868; B31B2155/00; B31B2155/001; B31B2155/0012; B31B2160/00; B31B2160/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2444685A
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US2653888A
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US2771010A
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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) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |