US3482491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing an unkinked tube from a web of material
Assignee: Tetra Pak AG
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Filing: 1967-09-28
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Granted: 1969-12-09
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Expires: 1987-09-28
Abstract
No abstract record available.
Inventors
- 👤 Ake Gustafson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:43
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/10; B65B9/20; B65B9/22; B29; B29C; B29C53/00; B29C53/36; B29C53/38; B29C53/48; B29C53/52; B31; B31F; B31F1/00; B31F1/0003; B31F1/0045; B31F1/0048; B31F1/0061; B31F1/0067; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/1013
Claims Analysis
Total Claims: 0
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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) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |