← Back to Patent Explorer
US2731672A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of forming an ornamental plastic article

Assignee: Motors Liquidation Co
•
Filing: 1953-02-25
•
Granted: 1956-01-24
•
Expires: 1973-02-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Raymond C Davis
  • 👤 Joseph H Overwein
  • 👤 Murray S Millhouse

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:29
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/16; B44; B44C; B44C3/00; B44C3/04; B44C3/046

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 146 words
IN A METHOD OF FORMING AN ORNAMENTAL DESIGN IN A LAYERED PLASTIC ARTICLE WHEREIN THE DESIGN APPERAS IN RELIEF WITHIN THE LAYERS OF THE ARTICLE, THE STEPS COMPRISING; MOLDING A FIRST PART OF COLORED PLASTIC MATERIAL HAVING AN APERTURED DESIGN EXTENDING THERETHROUGH, INSERTING A PLUNGER HAVING A PREDETERMINED CONTOUR THROUGH SAID APERTURE, MOLDING A SECOND PART OF A MATERIAL THAT CONTRASTS WITH SAID FIRST PART UPON THE FIRST PART SO THAT A SURFACE PORTION OF THE SECOND PART IS IN CONTACT WITH A PORTION OF A TERMINAL END OF SAID PLUNGER AND IN INTIMATE CONTACT WITH AT LEAST A PORTION OF ONE SURFACE OF THE FIRST PART, REMOVING SAID PLUNGER FROM SAID APERTURE AND FINALLY FORMING A SURFACE CONTRASTING IN COLOR TO THE MATERIALS OF BOTH LAYERS ON AT LEAST A PORTION OF THE SECOND PART FORMERLY IN CONTACT WITH THE TERMINAL END OF THE PLUNGER.
Claim 2
Dependent Claim 146 words
IN A METHOD OF FORMING AN ORNAMENTAL DESIGN IN A LAYERED PLASTIC ARTICLE WHEREIN THE DESIGN APPERAS IN RELIEF WITHIN THE LAYERS OF THE ARTICLE, THE STEPS COMPRISING; MOLDING A FIRST PART OF COLORED PLASTIC MATERIAL HAVING AN APERTURED DESIGN EXTENDING THERETHROUGH, INSERTING A PLUNGER HAVING A PREDETERMINED CONTOUR THROUGH SAID APERTURE, MOLDING A SECOND PART OF A MATERIAL THAT CONTRASTS WITH SAID FIRST PART UPON THE FIRST PART SO THAT A SURFACE PORTION OF THE SECOND PART IS IN CONTACT WITH A PORTION OF A TERMINAL END OF SAID PLUNGER AND IN INTIMATE CONTACT WITH AT LEAST A PORTION OF ONE SURFACE OF THE FIRST PART, REMOVING SAID PLUNGER FROM SAID APERTURE AND FINALLY FORMING A SURFACE CONTRASTING IN COLOR TO THE MATERIALS OF BOTH LAYERS ON AT LEAST A PORTION OF THE SECOND PART FORMERLY IN CONTACT WITH THE TERMINAL END OF THE PLUNGER.

References Cited (Backward Citations)

US2354857A Cited
US2463370A Cited
US2609570A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-01-23 1959-07-25 1960-01-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-01-23 1963-07-25 1964-01-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-01-23 1967-07-25 1968-01-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag