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US4920580A Expired / Lapsed US ⏱️ 0.0 years remaining

Face mask and body prosthesis

Assignee: Rubies Costume Co
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Filing: 1989-09-19
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Granted: 1990-05-01
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Expires: 2009-09-19
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Abstract

Abstract A facial and/or body prosthesis or appliance is disclosed. The material formed into the final prosthesis is a specific material uniquely adapted for the purpose. The material is a closed-cell, cross-linked, polyethylene and is in sheet form having a thickness in the range of from 1/64 inch to 1/4 inch and a density of between 11/2 and 9 pounds per cubic foot.

Inventors

  • 👤 Lawrence J. Liff

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 22:57
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/30; B29C51/36; A; A41; A41G; A41G7/00; B29C33/00; B29C33/38; B29C33/3842; B29C33/3857; B29C33/3878; B29C2033/3871; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2105/00; B29K2105/04; B29K2105/046

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 68 words
A face prosthesis including in combination a sheet of synthetic resinous material formed into a shell and of a shape to closely conform to the face of a human, said synthetic resinous material of said sheet consisting essentially of a closed-cell, cross-linked polyethylene foam and being of a thickness of between 1/64 inch and 1/4 inch and having a density of 11/2 and 9 pounds per cubic foot.
Claim 2
Dependent Claim 68 words
A face prosthesis including in combination a sheet of synthetic resinous material formed into a shell and of a shape to closely conform to the face of a human, said synthetic resinous material of said sheet consisting essentially of a closed-cell, cross-linked polyethylene foam and being of a thickness of between 1/64 inch and 1/4 inch and having a density of 11/2 and 9 pounds per cubic foot.
Claim 3
Dependent Claim 62 words
A body prosthesis including in combination a sheet of synthetic resinous material formed into a shape to closely conform to the prosthesis desired, said synthetic resinous material of said sheet consisting essentially of a closed-cell, cross-linked polyethylene foam and being of a thickness of between 1/64 inch and 1/4 inch and having a density of 11/2 and 9 pounds per cubic foot.
Claim 4
Dependent Claim 62 words
A body prosthesis including in combination a sheet of synthetic resinous material formed into a shape to closely conform to the prosthesis desired, said synthetic resinous material of said sheet consisting essentially of a closed-cell, cross-linked polyethylene foam and being of a thickness of between 1/64 inch and 1/4 inch and having a density of 11/2 and 9 pounds per cubic foot.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-04-30 1993-10-30 1994-05-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-04-30 1997-10-30 1998-05-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-04-30 2001-10-30 2002-05-01 $7700.00 Window Closed / Lapsed

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