Patent US1566446A successfully refreshed from Google Patents.
Patent US3758136A successfully refreshed from Google Patents.
US3758136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplex book
Assignee: Individual
•
Filing: 1971-11-26
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Granted: 1973-09-11
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Expires: 1991-11-26
Abstract
Abstract Two page cover member each having one cover member secured in face contact. A pocket for receiving a disc record is provided between the attached cover members.
Inventors
- 👤 R Guyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:53
CPC Classifications
B; B42; B42D; B42D1/00; B42D1/001; B42D3/00; B42D3/12; B42D3/123
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
196 words
A duplex book including: a first book and a second book, each of said books having an inner cover and an outer cover connected along a hinge line, and folded pages secured between said inner and outer covers along said hinge line, means connecting said inner cover of one of said books in face contact to the inner cover of the other of said books, with the hinge line connecting the inner and outer covers of one of said books extending along one side edge of the duplex book and the hinge line connecting the inner and outer covers of the other said book extending along the opposite side edge of the duplex book, said means connecting said inner covers extending along said side edges and bottom edge of said inner covers forming a pocket therebetween said inner covers open at the top edges thereof, and a disc record in said pocket between said inner cover of one book and the inner cover of the other book, said first book relates to subject matter of one side of said disc record and said second record relates to subject matter of the othEr side of the record.
Claim 2
Dependent Claim
196 words
A duplex book including: a first book and a second book, each of said books having an inner cover and an outer cover connected along a hinge line, and folded pages secured between said inner and outer covers along said hinge line, means connecting said inner cover of one of said books in face contact to the inner cover of the other of said books, with the hinge line connecting the inner and outer covers of one of said books extending along one side edge of the duplex book and the hinge line connecting the inner and outer covers of the other said book extending along the opposite side edge of the duplex book, said means connecting said inner covers extending along said side edges and bottom edge of said inner covers forming a pocket therebetween said inner covers open at the top edges thereof, and a disc record in said pocket between said inner cover of one book and the inner cover of the other book, said first book relates to subject matter of one side of said disc record and said second record relates to subject matter of the othEr side of the record.
Claim 3
Dependent Claim
32 words
The structure of claim 1 and in which the inner cover of one of said book is secured to the outer surface of said inner cover of the other of said books.
Claim 4
Dependent Claim
30 words
The structure of claim 1 and in which the inner surface of one of said inner covers is secured to the inner surface of the other of said inner covers.
Claim 5
Dependent Claim
259 words
A duplex book including: a first book and a second book, each of said books having an inner cover and an outer cover connected along a hinge line, and folded pages secured between said inner and outer covers along said hinge line, the inner cover of one of said books having a rectangular notch therein extending into said inner cover of one of said books from an edge thereof which is at right angles to said hinge line, said notch being of sufficient width and depth to accommodate a disc record therein, flaps extending into said notch from opposite parallel sides thereof, and into said notch from the base of said notch between said parallel sides thereof, means connecting said inner cover of said one of said books in face contact to the inner cover of the other of said books, with the hinge line connecting the inner and outer covers of one of said books extending along one side edge of the duplex book and the hinge line connecting the inner and outer covers of said other book extending along the opposite side edge of the duplex book, said means connecting said inner covers extending outwardly of said rectangular notch, leaving said flaps free of connection, and a disc record between said flaps of said inner cover of said one book and the inner cover of the other book, said first book relates to subject matter of one side of said disc record and said second record relates to subject matter of the other side of the record.
Claim 6
Dependent Claim
259 words
A duplex book including: a first book and a second book, each of said books having an inner cover and an outer cover connected along a hinge line, and folded pages secured between said inner and outer covers along said hinge line, the inner cover of one of said books having a rectangular notch therein extending into said inner cover of one of said books from an edge thereof which is at right angles to said hinge line, said notch being of sufficient width and depth to accommodate a disc record therein, flaps extending into said notch from opposite parallel sides thereof, and into said notch from the base of said notch between said parallel sides thereof, means connecting said inner cover of said one of said books in face contact to the inner cover of the other of said books, with the hinge line connecting the inner and outer covers of one of said books extending along one side edge of the duplex book and the hinge line connecting the inner and outer covers of said other book extending along the opposite side edge of the duplex book, said means connecting said inner covers extending outwardly of said rectangular notch, leaving said flaps free of connection, and a disc record between said flaps of said inner cover of said one book and the inner cover of the other book, said first book relates to subject matter of one side of said disc record and said second record relates to subject matter of the other side of the record.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |