Patent US4592465A successfully refreshed from Google Patents.
US4592465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coin display case
Assignee: DPH MANAGEMENT Co Inc
•
Filing: 1983-11-14
•
Granted: 1986-06-03
•
Expires: 2003-11-14
Abstract
Abstract A coin display case includes an outer lens, an inner lens and a central laminate. The laminate is held between the outer lens and the inner lens. The laminate further includes a hole for accepting a coin. The laminate is made out of a layer of flexible foamed material sandwiched between two layers of sulfur-free acid neutral paper.
Inventors
- 👤 Edmund W. E. Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:18
CPC Classifications
A; A47; A47G; A47G1/00; A47G1/12; A45; A45C; A45C11/00; A45C11/24; A45C1/00; A45C1/10; A45C2001/102; A45C2001/104
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
73 words
A coin display case comprising an outer lens, an inner lens, and a central laminate, said laminate being held between said outer lens and said inner lens, said laminate having at least one hole therethrough for accepting therein a coin to be displayed and held cooperatively with said outer lens and said inner lens, and said laminate comprising a layer of flexible foamed material sandwiched between two layers of sulfur-free acid neutral paper.
Claim 2
Dependent Claim
73 words
A coin display case comprising an outer lens, an inner lens, and a central laminate, said laminate being held between said outer lens and said inner lens, said laminate having at least one hole therethrough for accepting therein a coin to be displayed and held cooperatively with said outer lens and said inner lens, and said laminate comprising a layer of flexible foamed material sandwiched between two layers of sulfur-free acid neutral paper.
Claim 3
Dependent Claim
14 words
The coin display case of claim 1 in which said foamed layer is closed-cell.
Claim 4
Dependent Claim
17 words
The coin display case of claim 2 in which said foamed layer is of a crossedlinked polyethylene.
References Cited (Backward Citations)
US3217866A
Cited
US3145833A
Cited
US3139977A
Cited
US4294349A
Cited
US4341300A
Cited
US4402399A
Cited
US4446900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-02 | 1989-12-02 | 1990-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-02 | 1993-12-02 | 1994-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-02 | 1997-12-02 | 1998-06-03 | $7700.00 | Window Closed / Lapsed |