US3587844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package of bags
Assignee: WR Grace and Co
•
Filing: 1967-09-11
•
Granted: 1971-06-28
•
Expires: 1987-09-11
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 AN ADHESIVE APPLIED IN SUBSTANTIALLY EQUAL AMOUNTS TO EACH HALF OF THE BAG FROM A MEDIAL DIVISION OF ONE SIDE THEREOF, IN ANOTHER SPECIE THE BAGS ARE ATTACHED TOGETHER BY FUSING THE SIDES TOGETHER TO PROVIDE A WHOLLY SELF-SUPPORTING CHAIN OF IMBRICATED BAGS, ALL AS DESCRIBED HEREAFTER.
Inventors
- 👤 Ralph L Wing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:21
CPC Classifications
B; B65; B65D; B65D69/00; Y; Y10; Y10S; Y10S206/00; Y10S206/813; Y10S206/82
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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 |