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US5275019A Expired / Lapsed US ⏱️ 0.0 years remaining

Functional ring

Assignee: CTP SpA A CORP OF ITALY
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Filing: 1992-06-16
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Granted: 1994-01-04
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Expires: 2012-06-16
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Abstract

Abstract A functional ring having the particular characteristic of comprising, in various forms of decorative elements indicative of cardinal orientation or temperature, as well as differently formed lens elements in order to confer a true and proper utility to an object. Specifically, a ring is disclosed including a solid transparent sphere for magnification of objects seen therethrough.

Inventors

  • 👤 Carlo Pagani

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 20:12
CPC Classifications
A; A44; A44C; A44C9/00; A44C9/0053

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 64 words
A functional ring to be worn on a finger of a wearer, comprising: an annular band for encircling the finger of the wearer; a completely transparent solid plastic upper part affixed to the band, said transparent solid upper part formed as a completely clear sphere protruding from the annular band above the wearer's finger, the sphere being operable to magnify items viewed diametrically therethrough.
Claim 2
Dependent Claim 64 words
A functional ring to be worn on a finger of a wearer, comprising: an annular band for encircling the finger of the wearer; a completely transparent solid plastic upper part affixed to the band, said transparent solid upper part formed as a completely clear sphere protruding from the annular band above the wearer's finger, the sphere being operable to magnify items viewed diametrically therethrough.
Claim 3
Dependent Claim 33 words
Functional ring according to claim 1, wherein said ring is weighted by said upper part relative to said annular band for use as at least one of a spinning top and a pendulum.

References Cited (Backward Citations)

US1536365A Cited
US1548646A Cited
US2234942A Cited
US2584087A Cited
US2502328A Cited
US4133603A Cited
FR2410979A1 Cited
US4764140A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1997-01-03 1997-07-05 1998-01-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2001-01-03 2001-07-05 2002-01-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2005-01-03 2005-07-05 2006-01-04 $7700.00 Window Closed / Lapsed

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