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US3017302A Expired / Lapsed US ⏱️ 0.0 years remaining

Art of packaging commodities

Assignee: Milprint Inc
•
Filing: 1958-01-31
•
Granted: 1962-01-16
•
Expires: 1978-01-31
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Abstract

No abstract record available.

Inventors

  • 👤 Paul B Hultkrans

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 18:29
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/08; A; A23; A23B; A23B2/00; A23B2/30; B32B27/32; B32B27/36; B65; B65D; B65D65/00; B65D65/02; B65D65/14; B65D75/00; B65D75/002; B32B2553/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 64 words
A COMMODITY WRAPPER COMPRISING, A PLY OF FLEXIBLE POLYESTER FILM WHICH HAS BEEN STRETCH-ORIENTED TO RENDER THE SAME HEAT-SHRINKABLE AT A TEMPERATURE OFSUBSTANTIALLY 210*F., AND A PLY OF FLEXIBLE AN READILY HEAT-SEALABLE INHERENTLY WEAKER THERMOPLASTIC MATERIAL HAVING A LOWER MELTING POINT THAN SAID POLYESTER FILM ADHERED THERETO OVER SUBSTANTIALLY ITS ENTIRE SURFACE TO PROVIDE A COMPOSITE HEAT-SHRINKABLE WRAPPER SHEET HAVING A READILY HEAT-SEALABLE SURFACE.
Claim 2
Dependent Claim 64 words
A COMMODITY WRAPPER COMPRISING, A PLY OF FLEXIBLE POLYESTER FILM WHICH HAS BEEN STRETCH-ORIENTED TO RENDER THE SAME HEAT-SHRINKABLE AT A TEMPERATURE OFSUBSTANTIALLY 210*F., AND A PLY OF FLEXIBLE AN READILY HEAT-SEALABLE INHERENTLY WEAKER THERMOPLASTIC MATERIAL HAVING A LOWER MELTING POINT THAN SAID POLYESTER FILM ADHERED THERETO OVER SUBSTANTIALLY ITS ENTIRE SURFACE TO PROVIDE A COMPOSITE HEAT-SHRINKABLE WRAPPER SHEET HAVING A READILY HEAT-SEALABLE SURFACE.

References Cited (Backward Citations)

US2434541A Cited
US2594229A Cited
US2683894A Cited
US2686744A Cited
US2607712A Cited
US2714571A Cited
US2801180A Cited
US2865765A Cited
GB783457A Cited
US2828799A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-01-15 1965-07-17 1966-01-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-01-15 1969-07-17 1970-01-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-01-15 1973-07-17 1974-01-16 $7700.00 Window Closed / Lapsed

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