US3259301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic-lined bags and method of making
Assignee: Arkell Safety Bag Co
•
Filing: 1964-03-09
•
Granted: 1966-07-05
•
Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Paul L Onasch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:48
CPC Classifications
B; B65; B65D; B65D31/00; B65D31/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A FLEXIBLE LINED BAG COMPRISING AN OUTER PREFORMED PAPER TUBE, A SEPARATE INNER PREFORMED THERMOPLASTIC TUBE CONCENTRICALLY NESTED WITHIN SAID OUTER TUBE WHEREIN THE ENDS OF EACH TUBE ARE SUBSTANTIALLY COEXTENSIVE, AND AT ONE END OF SAID NESTED TUBES A HEAT-SEALED PORTION TRAVERSING THE MOUTHS OF THE BAGS AT SAID END, SAID PORTION CONSISTING OF A CLOSURE OF SAID INNER TUBE AND AN ADHESION BETWEEN SAID INNER TUBE AND THE OUTER TUBE AND PROVIDING A BOTTOM CLOSURE FOR SAID BAG.
Claim 2
Dependent Claim
80 words
A FLEXIBLE LINED BAG COMPRISING AN OUTER PREFORMED PAPER TUBE, A SEPARATE INNER PREFORMED THERMOPLASTIC TUBE CONCENTRICALLY NESTED WITHIN SAID OUTER TUBE WHEREIN THE ENDS OF EACH TUBE ARE SUBSTANTIALLY COEXTENSIVE, AND AT ONE END OF SAID NESTED TUBES A HEAT-SEALED PORTION TRAVERSING THE MOUTHS OF THE BAGS AT SAID END, SAID PORTION CONSISTING OF A CLOSURE OF SAID INNER TUBE AND AN ADHESION BETWEEN SAID INNER TUBE AND THE OUTER TUBE AND PROVIDING A BOTTOM CLOSURE FOR SAID 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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |