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Class Information
Number: 383/45
Name: Flexible bags > With closure > Self-closing type > Responsive to content (e.g., valve) > With vent
Description: Subject matter wherein the bag further includes means for relieving any pressure differential between the bag interior and exterior.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7437805 |
Reclosable storage bag closure with internal valving |
Oct. 21, 2008 |
| 7311442 |
Air valve for a fillable poly bag |
Dec. 25, 2007 |
| 7045190 |
Packaging material and packaged product |
May. 16, 2006 |
| 7004632 |
Ventable storage bag |
Feb. 28, 2006 |
| 6814991 |
Packaging container, packaged food and packaged feed |
Nov. 9, 2004 |
| 6692147 |
Venting reclosable bags |
Feb. 17, 2004 |
| 6436564 |
Air mover for a battery utilizing a variable volume enclosure |
Aug. 20, 2002 |
| 6132780 |
Container for storing fine particles |
Oct. 17, 2000 |
| 6126975 |
Container for storing fine particles |
Oct. 3, 2000 |
| 6010244 |
Vented reclosable bag |
Jan. 4, 2000 |
| 5988881 |
Paper sack |
Nov. 23, 1999 |
| 5846446 |
Ice making bag |
Dec. 8, 1998 |
| 5829884 |
Form fill and seal package with one-way vent |
Nov. 3, 1998 |
| 4930904 |
Cross-bottom or block-bottom valve sack |
Jun. 5, 1990 |
| 4865464 |
Water tank |
Sep. 12, 1989 |
| 4725268 |
Vented anti-reflux valve |
Feb. 16, 1988 |
| 4712249 |
Valves |
Dec. 8, 1987 |
| 4672684 |
Thermoplastic bag |
Jun. 9, 1987 |
| 4524460 |
Valved sack |
Jun. 18, 1985 |
| 4509642 |
Containers of flexible material |
Apr. 9, 1985 |
| 4470152 |
Valve bag with alignment means |
Sep. 4, 1984 |
| 4441209 |
Plastic bag comprising venting means |
Apr. 3, 1984 |
| 4132347 |
Moisture proof bags provided with blow-in ports and method of manufacturing the same |
Jan. 2, 1979 |
| 4071187 |
Valve bag |
Jan. 31, 1978 |
| 4026460 |
Valve type shipping bag |
May. 31, 1977 |
| 3989182 |
Vented bag |
Nov. 2, 1976 |
| 3957098 |
EROSION CONTROL BAG |
May. 18, 1976 |
| 3937395 |
Vented bags |
Feb. 10, 1976 |
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