US3887072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package
Assignee: Jintan Terumo Co Ltd
•
Filing: 1973-06-27
•
Granted: 1975-06-03
•
Expires: 1993-06-27
Abstract
Abstract A package for articles comprises a mounting paper having a multi-porous, thermosetting plastics layer bonded to its inner surface, and a covering having a thermoplastic layer bonded to its inner surface. The covering is heat sealed to the mounting paper at the respective peripheral edges.
Inventors
- 👤 Norio Koremura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:45
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; A; A61; A61M; A61M5/00; A61M5/002
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
124 words
A package for an article such as surgical instrument, comprising first and second sheets enclosing an article therebetween, said first sheet comprising a paper layer and a thermosetting plastics layer thereon, said thermosetting plastics layer extending over a peripheral portion of said paper layer and having a plurality of cutouts therein exposing underlying areas of said paper layer, and said second sheet comprising a layer of thermoplastic material, wherein said thermosetting layer on said peripheral portion of said first sheet is in contact with a peripheral portion of said thermoplastic material layer of said second sheet, said thermoplastic material of said second sheet extending through said cutouts in said thermosetting plastics layer and being bonded to said exposed underlying areas of saId paper layer.
Claim 2
Dependent Claim
124 words
A package for an article such as surgical instrument, comprising first and second sheets enclosing an article therebetween, said first sheet comprising a paper layer and a thermosetting plastics layer thereon, said thermosetting plastics layer extending over a peripheral portion of said paper layer and having a plurality of cutouts therein exposing underlying areas of said paper layer, and said second sheet comprising a layer of thermoplastic material, wherein said thermosetting layer on said peripheral portion of said first sheet is in contact with a peripheral portion of said thermoplastic material layer of said second sheet, said thermoplastic material of said second sheet extending through said cutouts in said thermosetting plastics layer and being bonded to said exposed underlying areas of saId paper layer.
Claim 3
Dependent Claim
124 words
A package for an article such as surgical instrument, comprising first and second sheets enclosing an article therebetween, said first sheet comprising a paper layer and a thermosetting plastics layer thereon, said thermosetting plastics layer extending over a peripheral portion of said paper layer and having a plurality of cutouts therein exposing underlying areas of said paper layer, and said second sheet comprising a layer of thermoplastic material, wherein said thermosetting layer on said peripheral portion of said first sheet is in contact with a peripheral portion of said thermoplastic material layer of said second sheet, said thermoplastic material of said second sheet extending through said cutouts in said thermosetting plastics layer and being bonded to said exposed underlying areas of saId paper layer.
Claim 4
Dependent Claim
124 words
A package for an article such as surgical instrument, comprising first and second sheets enclosing an article therebetween, said first sheet comprising a paper layer and a thermosetting plastics layer thereon, said thermosetting plastics layer extending over a peripheral portion of said paper layer and having a plurality of cutouts therein exposing underlying areas of said paper layer, and said second sheet comprising a layer of thermoplastic material, wherein said thermosetting layer on said peripheral portion of said first sheet is in contact with a peripheral portion of said thermoplastic material layer of said second sheet, said thermoplastic material of said second sheet extending through said cutouts in said thermosetting plastics layer and being bonded to said exposed underlying areas of saId paper layer.
Claim 5
Dependent Claim
20 words
The package as claimed in claim 1, wherein said thermosetting plastics layer is formed from epoxy resin or unsaturated polyester.
Claim 6
Dependent Claim
23 words
The package as claimed in claim 2, wherein said second sheet includes an outer covering layer on which said thermoplastic layer is formed.
Claim 7
Dependent Claim
15 words
The package as claimed in claim 3, wherein said cutouts are of an angular configuration.
Claim 8
Dependent Claim
22 words
The package as claimed in claim 3, wherein said first sheet includes an outer moisture-proof plastics film provided on said paper layer.
Claim 9
Dependent Claim
36 words
The package as claimed in claim 5, wherein said thermoplastic material layer is turned down along an exposed edge of said paper layer to intimately contact and bond to said exposed edge of said paper layer.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-02 | 1978-12-02 | 1979-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-02 | 1982-12-02 | 1983-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-02 | 1986-12-02 | 1987-06-03 | $7700.00 | Window Closed / Lapsed |