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US3631852A Expired / Lapsed US ⏱️ 0.0 years remaining

Disposable speculum for animals

Assignee: FULLER LAB Inc
•
Filing: 1969-10-24
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Granted: 1972-01-04
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Expires: 1989-10-24
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Abstract

Abstract A disposable speculum for animals formed with a rigid paper core having a metallic liner on the interior surface thereof for reflecting light and a coating of silicone material on the exterior surface thereof to facilitate usage.

Inventors

  • 👤 John A Hay
  • 👤 Donald W Johnson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:55
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/303

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 105 words
A disposable speculum for animals comprising, an elongated tubular member formed by a rigid paper core, said core including layers of paper in the form of overlapping helices with adjacent layers extending in opposite directions, a reflective liner in the form of a strip of reflective material positioned in the form of a helix on the interior of the layers of paper of the tubular member and attached thereto, and a coating of silicone material positioned on the exterior of the tubular member for reducing friction and providing an absorption-resistant surface thereto, one end of the tubular member having a tapered and inwardly curved surface.
Claim 2
Dependent Claim 105 words
A disposable speculum for animals comprising, an elongated tubular member formed by a rigid paper core, said core including layers of paper in the form of overlapping helices with adjacent layers extending in opposite directions, a reflective liner in the form of a strip of reflective material positioned in the form of a helix on the interior of the layers of paper of the tubular member and attached thereto, and a coating of silicone material positioned on the exterior of the tubular member for reducing friction and providing an absorption-resistant surface thereto, one end of the tubular member having a tapered and inwardly curved surface.

References Cited (Backward Citations)

US411160A Cited
US3253520A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-01-03 1975-07-05 1976-01-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-01-03 1979-07-05 1980-01-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-01-03 1983-07-05 1984-01-04 $7700.00 Window Closed / Lapsed

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