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US3906128A Expired / Lapsed US ⏱️ 0.0 years remaining

Packaging with internal pile surfaces

Assignee: Imperial Chemical Industries Ltd
•
Filing: 1974-07-22
•
Granted: 1975-09-16
•
Expires: 1994-07-22
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Abstract

Abstract Laminar packaging having internal pile surfaces wherein the layers are heat bonded by means of the thermoplastic pile.

Inventors

  • 👤 Eric Douglas Burling
  • 👤 Margaret Lilian Steel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 09:12
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/38; B65D81/3888; B65D81/3897; B32; B32B; B32B27/00; B65D65/00; B65D65/38; B65D65/44; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23914; Y10T428/23929; Y10T428/23957; Y10T428/24; Y10T428/24777; Y10T428/24793; Y10T428/24802; Y10T428/24843

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 58 words
LAMINAR PACKAGING COMPRISING A FIRST LAYER CONSISTING OF A BACKING MATERIAL HEAT BONDED TO A PILE FO THERMOPLASTIC MATERIAL BY MEANS OF SAID THERMOPLATIC LAMINATED TO A SECOND LAYER ALSO CONSISTING OF BACKING MATERIAL HEAT BONDED TO A PILE OF THERMOPLASTIC MATERIAL BY MEANS OF SAID THERMOPLASTIC SAID LAYERS BEING BONDED WITH THE PILE SURFACES ADJACENT EACH OTHER.
Claim 2
Dependent Claim 58 words
LAMINAR PACKAGING COMPRISING A FIRST LAYER CONSISTING OF A BACKING MATERIAL HEAT BONDED TO A PILE FO THERMOPLASTIC MATERIAL BY MEANS OF SAID THERMOPLATIC LAMINATED TO A SECOND LAYER ALSO CONSISTING OF BACKING MATERIAL HEAT BONDED TO A PILE OF THERMOPLASTIC MATERIAL BY MEANS OF SAID THERMOPLASTIC SAID LAYERS BEING BONDED WITH THE PILE SURFACES ADJACENT EACH OTHER.
Claim 3
Dependent Claim 20 words
Laminar packaging according to claim 1 in which said first and second layers are laminated over only certain selected areas.
Claim 4
Dependent Claim 22 words
Laminar packaging according to claim 1 in which the first and second layers are laminated by heat bonding of the thermoplastic material.

References Cited (Backward Citations)

US2962158A Cited
US3422952A Cited
US3696183A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-09-15 1979-03-17 1979-09-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-09-15 1983-03-17 1983-09-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-09-15 1987-03-17 1987-09-16 $7700.00 Window Closed / Lapsed

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