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US3604368A Expired / Lapsed US ⏱️ 0.0 years remaining

Pallet and method of manufacture

Assignee: SOBEL INDUSTRIES Inc
•
Filing: 1969-04-14
•
Granted: 1971-09-14
•
Expires: 1989-04-14
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Abstract

Abstract A four-way entry pallet is vacuum formed from two spaced parallel preheated sheets of thermoplastic comprising a top sheet which is flat except for a rim flange and a bottom sheet formed over a plurality of embossing and fusing posts to define supporting pillars integral with the bottom sheet and fused to the top sheet.

Inventors

  • 👤 Jack E Baxter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 14:26
CPC Classifications
B; B65; B65D; B65D19/00; B65D19/0004; B65D19/0006; B65D19/0008; B65D19/001; B65D19/0012; B65D2519/00; B65D2519/00004; B65D2519/00009; B65D2519/00014; B65D2519/00034; B65D2519/00049; B65D2519/00069; B65D2519/00258; B65D2519/00263; B65D2519/00273; B65D2519/00283; B65D2519/00288; B65D2519/00313; B65D2519/00318; B65D2519/00547; B65D2519/00552; B65D2519/00557; B65D2519/00562; B65D2519/00736; B65D2519/00935; B65D2519/00955; B65D2519/0096; Y; Y10; Y10S; Y10S108/00; Y10S108/901

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 93 words
A pallet formed of spaced parallel top and bottom thermoplastic sheets, the bottom sheet having a plurality of integral upstanding downwardly opening hollow bosslike pillar portions, the top sheet overlying and being fused to the tops of the pillar portions, the pillar portions being of uniform height and having solid flat tops and the top sheet being flat, flat depending bracing ribs integral with the top sheet extending downwardly longitudinally and axially beside, and fused to the sides of, the pillar portions of the bottom sheet and projecting radially from such pillar portions.
Claim 2
Dependent Claim 93 words
A pallet formed of spaced parallel top and bottom thermoplastic sheets, the bottom sheet having a plurality of integral upstanding downwardly opening hollow bosslike pillar portions, the top sheet overlying and being fused to the tops of the pillar portions, the pillar portions being of uniform height and having solid flat tops and the top sheet being flat, flat depending bracing ribs integral with the top sheet extending downwardly longitudinally and axially beside, and fused to the sides of, the pillar portions of the bottom sheet and projecting radially from such pillar portions.
Claim 3
Dependent Claim 47 words
A pallet as defined in claim 1 wherein said pillar portions are spaced inwardly from the margins of the sheets, at least some of said bracing ribs extending angularly from intermediate areas of said pillar portions to the margins of a sheet and being integrated with both.
Claim 4
Dependent Claim 16 words
A pallet as defined in claim 2 including similar bracing ribs integral with the bottom sheet.

References Cited (Backward Citations)

US3135640A Cited
US3187689A Cited
US3187069A Cited
US3124627A Cited
US3228358A Cited
US3307504A Cited
US3330228A Cited
US3467032A Cited
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US3404642A Cited
US3481285A Cited
US3511191A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-09-13 1975-03-15 1975-09-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-13 1979-03-15 1979-09-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-13 1983-03-15 1983-09-14 $7700.00 Window Closed / Lapsed

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