US3178065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impermeable collapsible tube
Assignee: Tubed Chemicals Corp
•
Filing: 1963-01-22
•
Granted: 1965-04-13
•
Expires: 1983-01-22
Abstract
No abstract record available.
Inventors
- 👤 Auerswald William Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:43
CPC Classifications
B; B65; B65D; B65D35/00; B65D35/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN A COLLAPSIBLE TUBULAR CONTAINER HAVING A WALL COMPRISING A PLURALITY OF FIRMLY ADHEREING LAYER OF PLASTIC MATERIAL THROUGHOUT ITS ENTIRE LENGTH WITH AN OPNEING FOR DISPENSING THE CONTENTS OF THE CONTAINER AT ONE END, AND AN END CLOSURE SEAL AT THE OTHER END TRANSVERSELY FLATTENING THE TUBE WALL, ONE OF SAID LAYERS OF WALL MATERIAL BEING IMPERMEABLE TO THE CONTENTS OF THE TUBE, THE IMPROVEMENT WHICH COMPRISES THE SAID END CLOSURE SEAL HAVING PLASTIC MATERIAL OF THE INNER LAYER FUZED ONLY AT THE INTERFACE AREA BETWEEN THE FLATTENED CONTACTING INNER WALL SURFACES THEREOF AND SAID LAYERS OTHERWISE RETAINING THE INDIVIDUAL PHYSICAL CHARACTERISTICS OF EACH PLASTIC MATERIAL IN THE AREA OF SAID END CLOSURE.
Claim 2
Dependent Claim
114 words
IN A COLLAPSIBLE TUBULAR CONTAINER HAVING A WALL COMPRISING A PLURALITY OF FIRMLY ADHEREING LAYER OF PLASTIC MATERIAL THROUGHOUT ITS ENTIRE LENGTH WITH AN OPNEING FOR DISPENSING THE CONTENTS OF THE CONTAINER AT ONE END, AND AN END CLOSURE SEAL AT THE OTHER END TRANSVERSELY FLATTENING THE TUBE WALL, ONE OF SAID LAYERS OF WALL MATERIAL BEING IMPERMEABLE TO THE CONTENTS OF THE TUBE, THE IMPROVEMENT WHICH COMPRISES THE SAID END CLOSURE SEAL HAVING PLASTIC MATERIAL OF THE INNER LAYER FUZED ONLY AT THE INTERFACE AREA BETWEEN THE FLATTENED CONTACTING INNER WALL SURFACES THEREOF AND SAID LAYERS OTHERWISE RETAINING THE INDIVIDUAL PHYSICAL CHARACTERISTICS OF EACH PLASTIC MATERIAL IN THE AREA OF SAID END CLOSURE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |