B65D 2571/00561
Lines of weakness
Official title: Lines of weakness (B65D2571/00864 takes precedence)
B65D2571/00561 (Lines of weakness) appears on 488 US grants and 482 published applications in this corpus.
Search patents in B65D- Granted patents
- 488
- Published applications
- 482
- Assignees
- 102
- Inventors
- 348
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 9 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 1 |
| 2002 | 5 | 9 |
| 2003 | 6 | 10 |
| 2004 | 4 | 24 |
| 2005 | 15 | 35 |
| 2006 | 19 | 40 |
| 2007 | 10 | 47 |
| 2008 | 17 | 20 |
| 2009 | 16 | 21 |
| 2010 | 30 | 19 |
| 2011 | 18 | 20 |
| 2012 | 20 | 36 |
| 2013 | 22 | 20 |
| 2014 | 19 | 26 |
| 2015 | 27 | 22 |
| 2016 | 25 | 31 |
| 2017 | 22 | 23 |
| 2018 | 14 | 17 |
| 2019 | 21 | 10 |
| 2020 | 13 | 8 |
| 2021 | 6 | 11 |
| 2022 | 3 | 18 |
| 2023 | 14 | 3 |
| 2024 | 5 | 7 |
| 2025 | 3 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65D 2571/00574Whereby contents can still be carried after the line has been tornIndexing code366
- B65D 2571/00567Defining a narrow removable stripIndexing code70
- B65D 2571/00592With means for reclosingIndexing code17
- B65D 2571/00617Combined with means for assisting dispensing not made by the tearable dispensingIndexing code14
- B65D 2571/00598The tearable part having a specific useIndexing code12
Recent patents
- Perforated panel for bottle packaging18 Nov 2025US 12,473,132 B2Niagara Bottling, LLC
- Wrapping material for tobacco industry products6 May 2025US 12,291,382 B2Nicoventures Trading Limited
- Carton for articles8 Apr 2025US 12,269,656 B2Graphic Packaging International, Inc.
- Shipping and dispensing construct1 Oct 2024US 12,103,753 B2Graphic Packaging International, Inc.
- Carton and blank therefor26 Mar 2024US 11,939,128 B2WestRock Packaging Systems, LLC
- Carton for containers13 Aug 2026US 2026/0233911 A1Graphic Packaging International, Inc.
- Carton and carton blank18 Jun 2026US 2026/0167401 A1
- Perforated panel for bottle packaging5 Mar 2026US 2026/0062190 A1Niagara Bottling, LLC
- Divider Construct For Cartons, Related Systems And Methods27 Feb 2025US 2025/0066090 A1Graphic Packaging International, Inc.
- Carton For Containers12 Sep 2024US 2024/0300714 A1Graphic Packaging International, Inc.
Most cited
By later US patents
- Multiple article beverage package216US 4,396,143 AManville Service Corporation · 1983
- Carton blank and carton210US 5,505,372 AGraphic Packaging Corporation · 1996
- Multi-unit packaging method and package197US 3,942,631 AFederal Paper Board Company, Inc. · 1976
- Beverage cooler box174US 6,631,803 B2Coors Brewing Company · 2003
- Article carrier with dispensing feature168US 4,364,509 AThe Mead Corporation · 1982