Patent US4074637A successfully refreshed from Google Patents.
US4074637A
Expired / Lapsed
US
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Pilfer proof display unit
Assignee: Individual
•
Filing: 1976-04-09
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Granted: 1978-02-21
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Expires: 1996-04-09
Abstract
Abstract The disclosure is of a pilfer-proof display unit particularly useful for security of small articles such as rings and like jewelry while permitting a potential customer free access to the handling of the article.
Inventors
- 👤 Cornelius Lorenzen, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:58
CPC Classifications
A; A47; A47F; A47F7/00; A47F7/02; A47F7/024
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
180 words
A pilfer proof display case, which comprises; a housing including sidewalls and a bottom wall; an open tray adapted to support an article for display, mounted on said housing, said tray having a display surface; a portal communicating between the display surface and the interior of said housing; said portal being of a dimension insufficient to permit the passage of said articles; a flexible line slidably mounted in said portal, said line having a first end extendable beyond said display surface and outside of said housing and adapted to secure said article, said flexible line having a second end within the interior of said housing; a mass of dimension which will not permit its passage through said portal, connected to said second end, said mass being positioned within said housing so as to be free of impinging with the sidewalls thereof; an audible alarm, mounted on said housing beneath said mass, said alarm being activatable by being struck by said mass, which occurs upon the release of said mass by removal of the connection between said mass and said article.
Claim 2
Dependent Claim
180 words
A pilfer proof display case, which comprises; a housing including sidewalls and a bottom wall; an open tray adapted to support an article for display, mounted on said housing, said tray having a display surface; a portal communicating between the display surface and the interior of said housing; said portal being of a dimension insufficient to permit the passage of said articles; a flexible line slidably mounted in said portal, said line having a first end extendable beyond said display surface and outside of said housing and adapted to secure said article, said flexible line having a second end within the interior of said housing; a mass of dimension which will not permit its passage through said portal, connected to said second end, said mass being positioned within said housing so as to be free of impinging with the sidewalls thereof; an audible alarm, mounted on said housing beneath said mass, said alarm being activatable by being struck by said mass, which occurs upon the release of said mass by removal of the connection between said mass and said article.
Claim 3
Dependent Claim
11 words
The case of claim 1 wherein said line is a cable.
Claim 4
Dependent Claim
12 words
The case of claim 2 wherein said cable is a metallic cable.
Claim 5
Dependent Claim
11 words
The case of claim 1 wherein said alarm is a bell.
Claim 6
Dependent Claim
15 words
The case of claim 1 wherein said tray is an integral part of said housing.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-02-20 | 1981-08-22 | 1982-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-20 | 1985-08-22 | 1986-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-20 | 1989-08-22 | 1990-02-21 | $7700.00 | Window Closed / Lapsed |