US4831756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Album with replaceable front cover
Assignee: Individual
•
Filing: 1987-06-05
•
Granted: 1989-05-23
•
Expires: 2007-06-05
Abstract
Abstract This invention relates to an album with a replaceable front cover and in particular to one which mainly includes a thin iron sheeting placing at the each of the shallow edge of the front cover, a suitable number of raised projection and magnetic units as the back of a transparent cover in responding position to the edge of the shallow edge thereby urging the transparent cover firmly on to the shallow edge by means of the attraction between the magnetic unit and the thin iron sheet, and the fixing power of the raised projection and the magnetic units.
Inventors
- 👤 Feng M. Huang
- 👤 Tsann T. Lu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:27
CPC Classifications
A; A47; A47G; A47G1/00; A47G1/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
99 words
An album having an album body with a replaceable front cover provided with a decorating plate, comprising: a front cover having an opening surrounded by an edge; a transparent cover dimensioned to overlie said opening and said edge; a magnetic sheet positionable between the album body and front cover to extend beneath the edge; a plurality of raised projections extending downwardly from the transparent cover to engage the edge and magnetic units underlying the transparent cover about the edge to magnetically fix it to the magnetic sheet, said decorating plate thereby seecured between the transparent cover and magnetic sheet.
Claim 2
Dependent Claim
99 words
An album having an album body with a replaceable front cover provided with a decorating plate, comprising: a front cover having an opening surrounded by an edge; a transparent cover dimensioned to overlie said opening and said edge; a magnetic sheet positionable between the album body and front cover to extend beneath the edge; a plurality of raised projections extending downwardly from the transparent cover to engage the edge and magnetic units underlying the transparent cover about the edge to magnetically fix it to the magnetic sheet, said decorating plate thereby seecured between the transparent cover and magnetic sheet.
Claim 3
Dependent Claim
29 words
An album with a replaceable front cover as claimed in claim 1, wherein the reaised projections of the said transparent cover are provided with protuberances engageable with said edge.
Claim 4
Dependent Claim
45 words
An album with a replaceable front cover as claimed in claim 1, wherein the raised projections of the said transparent cover each has substantially the same height as the magnetic unit to be spaced from the decorating plate when the transparent cover is covered thereon.
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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) | 1992-05-22 | 1992-11-21 | 1993-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-22 | 1996-11-21 | 1997-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-22 | 2000-11-21 | 2001-05-23 | $7700.00 | Window Closed / Lapsed |