Patent US4387807A successfully refreshed from Google Patents.
US4387807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ring cover protector for records
Assignee: Individual
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Filing: 1981-10-02
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Granted: 1983-06-14
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Expires: 2001-10-02
Abstract
Abstract A case for enclosing a phonograph record, including a circular ring in which the record snap fits, and a circular cover adjacent each side of the record, the covers being hinged to the ring.
Inventors
- 👤 Jorge de la Rosa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:47
CPC Classifications
G; G11; G11B; G11B33/00; G11B33/02; G11B33/04; G11B33/0405; G11B33/0411; G11B33/0422; G11B33/0427; G11B23/00; G11B23/02; G11B23/03; G11B23/032; Y; Y10; Y10T; Y10T428/00; Y10T428/21; Y10T428/214; Y10T428/218; Y10T428/23; Y10T428/239
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
74 words
A protective cover for phonograph records comprising a circular ring provided with a groove about its inner circumference adapted to snap fit about a record, a flexible cover adjacent each side of the record being hinged to the ring with a stiff wire pin passing through hinge ears and accommodated in a groove in each side of the ring each cover being provided with a hole aligned with the central hole of the record.
Claim 2
Dependent Claim
74 words
A protective cover for phonograph records comprising a circular ring provided with a groove about its inner circumference adapted to snap fit about a record, a flexible cover adjacent each side of the record being hinged to the ring with a stiff wire pin passing through hinge ears and accommodated in a groove in each side of the ring each cover being provided with a hole aligned with the central hole of the record.
Claim 3
Dependent Claim
18 words
The protective cover of claim 1 wherein the flexible covers are made of a magnetic, self-adhesive plastic material.
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) | 1986-06-13 | 1986-12-13 | 1987-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-06-13 | 1990-12-13 | 1991-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-06-13 | 1994-12-13 | 1995-06-14 | $7700.00 | Window Closed / Lapsed |