Patent US3587845A successfully refreshed from Google Patents.
US3587845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package of bags
Assignee: WR Grace and Co
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Filing: 1968-08-29
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Granted: 1971-06-28
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Expires: 1988-08-29
Abstract
Abstract THIS INVENTION IS DIRECTED TO A PACKAGE OF IMBRICATED BAGS, EACH OF THE BAGS AFTER THE BOTTOM BAG IS OFFSET FORWARD FROM THE NEXT UNDERLYING BAG AND OVERLIES THE OPENING OF THE UNDERLYING BAG AND THE TOP SIDE OF THE UNDERLYING BAG IS ATTACHED TO THE BOTTOM OF THE OVERLYING BAG IN SEQUENCE, IN ONE SPECIE THE BAGS ARE ATTACHED TOGETHER BY ADHESIVE MEMBERS HAVING ADHESIVE ON OPPOSITE SIDES THEREOF, IN OTHER SPECIES THE BAGS ARE ATTACHED TOGETHER BY A DIRECT UNION SURFACE SEAL OF THE SIDES TOGETHER TO PROVIDE A WHOLLY SELF-SUPPORTING CHAIN OF IMBRICATED BAGS.
Inventors
- 👤 Ralph L Wing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:09
CPC Classifications
B; B65; B65D; B65D69/00; Y; Y10; Y10S; Y10S206/00; Y10S206/813; Y10S206/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |