Patent US272776A successfully refreshed from Google Patents.
Patent US3833197A successfully refreshed from Google Patents.
US3833197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Book holder
Assignee: Individual
•
Filing: 1972-12-18
•
Granted: 1974-09-03
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Expires: 1992-12-18
Abstract
Abstract A book holder consists of a base having a pair of upstanding plates spaced apart a sufficient distance to receive the book cover; the base has a fence in front of the plates spaced therefrom a sufficient distance to accommodate the pages of the book. The fence adjacent the spine of the book tapers toward the base to facilitate turning a page.
Inventors
- 👤 B Dyke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:42
CPC Classifications
A; A47; A47B; A47B23/00; A47B23/04; A47B23/042
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
156 words
A book holder comprising a base wide enough to hold a book, first and second spaced apart upstanding fences to said base lying substantially in the same vertical plane and high enough to contain the pages of said book, each fence having an inwardly disposed contoured edge which descends toward said base adjacent to the spine of said held book to facilitate turning over of a page, said base having a recess between said fences, said base having first and second spaced apart upstanding walls lying substantially in the same vertical plane and removed from said fence, a third upstanding wall to said base behind said first and second walls with respect to said fence, said third wall being spaced from said first and second walls a distance sufficient to receive the cover of said book, said first and second walls having an inner edge which diverge from each other in the direction of said base.
Claim 2
Dependent Claim
156 words
A book holder comprising a base wide enough to hold a book, first and second spaced apart upstanding fences to said base lying substantially in the same vertical plane and high enough to contain the pages of said book, each fence having an inwardly disposed contoured edge which descends toward said base adjacent to the spine of said held book to facilitate turning over of a page, said base having a recess between said fences, said base having first and second spaced apart upstanding walls lying substantially in the same vertical plane and removed from said fence, a third upstanding wall to said base behind said first and second walls with respect to said fence, said third wall being spaced from said first and second walls a distance sufficient to receive the cover of said book, said first and second walls having an inner edge which diverge from each other in the direction of said base.
Claim 3
Dependent Claim
50 words
A book holder according to claim 1, which is formed of a single piece of material and said first and second walls flank said third wall to form a slot therewith, said slots corresponding substantially to the line of the said diverging inner edges of said first and second walls.
Claim 4
Dependent Claim
29 words
A book holder according to claim 2, in which said third wall has at least one aperture to frictionally receive from the rear a prop for said book holder.
Claim 5
Dependent Claim
42 words
A book holder according to claim 1 wherein one of said fences has a rotatable circular member eccentrically carried adjacent said contoured edge whereby the area of said circular member projecting from said edge may be changed on rotating said circular member.
References Cited (Backward Citations)
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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) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |