Patent US2731672A successfully refreshed from Google Patents.
US2731672A
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Method of forming an ornamental plastic article
Assignee: Motors Liquidation Co
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Filing: 1953-02-25
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Granted: 1956-01-24
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Expires: 1973-02-25
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 17:12
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)
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 |