US3364050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating a cut edge and its adjacent portion in a porous sheet material
Assignee: Tetra Pak AB
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Filing: 1964-06-22
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Granted: 1968-01-16
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Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Rausing Hans Anders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:17
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/0005; D21H5/0047; D06; D06M; D06M23/00; D06M23/16; D06M23/18; D21H23/00; D21H23/02; D21H23/22; D21H23/50; B; B31; B31B; B31B50/00; B31B50/74; B31B50/742; B31B50/743
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |