US3309006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic bags
Assignee: Amcor Flexibles North America Inc
•
Filing: 1966-02-16
•
Granted: 1967-03-14
•
Expires: 1986-02-16
Abstract
No abstract record available.
Inventors
- 👤 Ray P Perry
- 👤 Arthur D Hoeppner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:53
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
A VENTED BAG COMPRISING A TUBE OF FLEXIBLE HEAT-SEALABLE SHEET MATERIAL HAVING A LONGITUDINAL SEAM WHEREIN MARGINS OF THE TUBE MATERIAL ARE OVERLAPPED AND HEATSEALED TOGETHER ON TWO SPACED-APART LINES OF SEAL EXTENDING LENGTHWISE OF THE TUBE, SAID TUBE BEING CLOSED AT LEAST AT ONE END, EACH OF SAID LINES OF SEAL HAVING A SERIES OF GAPS THEREIN WITH THE GAPS IN ONE LINE OFFSET WITH RESPECT TO THE GAPS IN THE OTHER PROVIDING VENTS IN ONE LINE OF SEAL FROM THE INSIDE OF THE BAG TO THE SPACE BETWEEN SAID OVERLAPPING MARGINS BOUNDED BY SAID LINES OF SEAL AND VENTS IN THE OTHER LINE OF SEAL FROM SAID SPACE TO THE OUTSIDE OF THE BAG.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |