Patent US4770913A successfully refreshed from Google Patents.
US4770913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binder
Assignee: Individual
•
Filing: 1986-05-23
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Granted: 1988-09-13
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Expires: 2006-05-23
Abstract
Abstract Improved binders or binding seals are proposed which have a substrate of a flexible material. At one end of the substrate is provided an ordinary adhesive layer and at the other end is provided a peelable adhesive layer covered with an ordinary adhesive layer. The peelable adhesive layer allows the user to stick the end of the binder and peel it whenever desired. The binder may be formed with a hole or holes at one end to secure it to a file, and with a peelable adhesive layer at the other end so that a document can be stuck and peeled on and from it.
Inventors
- 👤 Takao Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:26
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; Y; Y10; Y10T; Y10T428/00; Y10T428/14; Y10T428/1481; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24959; Y10T428/28; Y10T428/2848
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
99 words
A binder for binding a file having a pair of first and second file covers, said binder comprising: a substrate of a flexible material having a first end thereof covered with a first adhesive layer for bonding said binder to the first file cover, and a second end thereof covered with a peelable second adhesive layer, a sheet of release paper covered on said first adhesive layer, a third adhesive layer covered on said peelable second adhesive layer for bonding said binder to the second file cover, and a sheet of release paper covered on said third adhesive layer.
Claim 2
Dependent Claim
99 words
A binder for binding a file having a pair of first and second file covers, said binder comprising: a substrate of a flexible material having a first end thereof covered with a first adhesive layer for bonding said binder to the first file cover, and a second end thereof covered with a peelable second adhesive layer, a sheet of release paper covered on said first adhesive layer, a third adhesive layer covered on said peelable second adhesive layer for bonding said binder to the second file cover, and a sheet of release paper covered on said third adhesive layer.
Claim 3
Dependent Claim
25 words
A binder as claimed in claim 1, wherein said first adhesive layer and said peelable second adhesive layer are on opposite sides of said substrate.
Claim 4
Dependent Claim
26 words
A binder as claimed in claim 1, wherein said first adhesive layer and said peelable second adhesive layer are on the same side of said substrate.
Claim 5
Dependent Claim
28 words
A binder as claimed in claim 1, wherein a film layer having a smooth surface is interposed between said third adhesive layer and said peelable second adhesive layer.
Claim 6
Dependent Claim
25 words
A binder as claimed in claim 2, wherein said first adhesive layer and said peelable second adhesive layer are on opposite sides of said substrate.
Claim 7
Dependent Claim
26 words
A binder as claimed in claim 2, wherein said first adhesive layer and said peelable second adhesive layer are on the same side of said substrate.
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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) | 1991-09-13 | 1992-03-14 | 1992-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-09-13 | 1996-03-14 | 1996-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-09-13 | 2000-03-14 | 2000-09-13 | $7700.00 | Window Closed / Lapsed |